A curated list of awesome C++ (or C) frameworks, libraries, resources, and shiny things. Inspired by awesome-... stuff.
This page lists names, links and short descriptions. The original list on GitHub is the source and belongs to its authors.
A collection of classes and functions, which are written in the core language and part of the C++ ISO Standard itself.
The Standard Template Library (STL).
A specification of a C standard library for POSIX systems.
ISO/IEC JTC1/SC22/WG21 - The C++ Standards Committee. website
The purpose of this manual is to tell you how to use the facilities of the GNU C Library.
Abseil C++ Common Libraries. [Apache2]
STDCXX, A collection of algorithms, containers, iterators, and other fundamental components. [retired] [Apache2]
Apache Portable Runtime. Another library of cross-platform utility functions. [Apache2]
Adobe Source Libraries provides peer-reviewed and portable C++ source libraries. [MIT]
Declarative UI toolkit for C++20. [MPL2]
zap: - A large collection of generic C++ libraries. [Boost] website
The BDE Development Environment from Bloomberg Labs. [Apache2]
zap: - C++ Parallel Computing and Asynchronous Networking Engine. [Apache2]
A cross-platform DAG framework based on C++ without any 3rd-party. [MIT]
A community-developed, free and open source library for professional-quality creative coding. [BSD]
A lightweight, dependency-free C++ library with go-style coroutines, logging, config and other utilities. [MIT]
A small, header-only library that backports various facilities from more recent C++ Standards to C++03 and later. [MIT]
zap: - A toolkit for making real world machine learning and data analysis applications in C++. [Boost] website
Framework for Enterprise Application Development. [Apache2]
Functional Programming Library for C++. Write concise and readable C++ code. [MIT]
GLib provides the core application building blocks for libraries and applications written in C. [LGPL]
A collection of std-like single-header C++ libraries [MIT]
An all-encompassing C++ class library for developing cross-platform software. [Core-Module: ISC, Rest: GPL2/GPL3/Proprietary] website
A free and open source C++ modular multi-purpose cross platform RAD framework. [MIT] website
libPhenom is an eventing framework for building high performance and high scalability systems in C. [Apache2]
C++11 evented IO for real-time video streaming and high performance networking applications. [LGPL]
A multiplatform utility library written in C. [BSD]
Simple and yet powerful cross-platform C library providing data structures, algorithms and much more. [MIT]
A C++ library of designs, containing flexible implementations of common design patterns and idioms. [MIT]
A pure C++ implementation (& redesign) of libc and the Standard Library. [Boost/MIT]
Minimal headers-only C++ Library. [Boost]
A cross platform open source toolkit for creative coding in C++. [MIT] website
A comprehensive C++ framework featuring efficient user-space threading (coroutine with work-stealing), I/O, networking, RPC, HTTP, etc., and used extensively in Alibaba. It is compatible with C++ 14/17/20/23, Linux, MacOS, x86-64, ARM64, gcc and clang. [Apache2] website
zap: - A cross-platform application and UI framework. [GPL/LGPL/Proprietary] website
A cross platform framework designed to bring the ease of use of Java, .Net, or Python to developers who require the performance and strength of C++. [GPL2]
A set of OO frameworks with all the functionality needed to handle and analyze large amounts of data in a very efficient way. Used at CERN. [LGPL]
Minimal Rust-inspired C++20 STL replacement. [MIT]
a set of C++ platform abstraction libraries for macOS, Windows and Linux. [MIT] website
An advanced, open-source C++ framework for high-performance server applications on modern hardware. [Apache-2.0 License] seastar.io
a header-only C++11 library that provides several new or lesser-known containers, some of which can be used in C++20 constant expressions. [zlib]
Siv3D (OpenSiv3D) is a C++20 framework for creative coding (2D/3D games, media art, visualizers, and simulators). [MIT] website
An exemplary version of STL. [Free]
Standard Template Library for Extra Large Data Sets. [Boost]
A glib-like multi-platform c library. [Apache2] website
A C++ cross-platform rapid application development framework. [BSD]
A C++ library for developing Windows applications and UI components. [Public]
WUI (Window User Interface Library) is a cross-platform library for creating graphical user interfaces in C++17+ [Boost]website
Modern C++20 framework to create console (CLI), forms (GUI) and unit tests (xUnit) applications on Windows, macOS, Linux, iOS, Android, FreeBSD and Haiku. [MIT]
Fast, Orthogonal, Open multi-methods. Supersedes Yomm11 [Boost]
The modern framework optimized for realtime audio and GPU-native creative software [ISC]
A GPU (CUDA) based Artificial Neural Network library. [LGPL]
Game Behavior Tree Starter Kit. [zlib]
Lightweight C++ MCP (Model Context Protocol) SDK. [MIT]
A template-based, ANSI-C++ evolutionary computation library which helps you to write your own stochastic optimization algorithms insanely fast. [LGPL]
C++ port of the fastmcp Python library. [Apache2]
Header-only library for using Keras models in C++. [MIT]
Simple neural network library in C. [zlib]
Lightweight, Portable, Flexible Distributed/Mobile Deep Learning with Dynamic, Mutation-aware Dataflow Dep Scheduler; for Python, R, Julia, Scala, Go, JavaScript and more. website
Tensors and Dynamic neural networks in Python with strong GPU acceleration. website
Flashlight is a fast, flexible machine learning library written entirely in C++. [BSD]
(3D) Navigation mesh generator and pathfinder, mostly for games. [zlib]
An open source software library for numerical computation using data flow graphs. [Apache]
A modern C++ wrapper for TensorFlow. [Apache]
An open-source cross-platform performance library for deep learning applications. [Apache] website
Microsoft Cognitive Toolkit (CNTK), an open source deep-learning toolkit. [Boost]
A cross-platform C++ library for network and low-level I/O programming that provides developers with a consistent asynchronous model using a modern C++ approach. [Boost] website
A cross-platform C++ library for network and low-level I/O programming. [Boost] website
An Open Source Implementation of the Actor Model in C++. [BSD-3-Clause] website
An event queue which focuses on thread safety and provides dependency injection. [MIT]
A full-featured and high-performance event loop that is loosely modelled after libevent, but without its limitations and bugs. [BSD and GPL]
An event notification library. [BSD]
Header only library that implements Promise/A+ standard. [Anti-996]
a simple interface, high-performance network library based on C++11. [MIT]
A cross-platform audio engine designed with the needs of games in mind. [Apache-2.0] website
A simple C++ library for reading and writing audio files. [MIT]
An easy to use crossplatform audio engine and audio content creation tool for games. [Free for non-commercial/Commercial]
Fast, modern C++ DSP framework, FFT, FIR/IIR filters, Sample Rate Conversion. [GPL/Proprietary]
LAME is a high quality MPEG Audio Layer III (MP3) encoder. [LGPL]
C library with C++ wrapper for reading and writing files containing sampled sound through one standard library interface. [LGPL-2.1] website
C library for cross-platform real-time audio input and output. [MIT] website
C++ Audio and Music DSP Library. [MIT]
Open Audio Library - A crossplatform audio API. [BSD/LGPL/Proprietary]
C++ library for reading and writing audio files. [MIT]
A totally open, royalty-free, highly versatile audio codec. [BSD]
PortAudio is a free, cross-platform, open-source, audio I/O library. [MIT]
SimplE Lossless Audio. [MIT]
A free codec for free speech. Obsoleted by Opus. [BSD]
Easy and efficient audio synthesis in C++. [Unlicense]
Ogg Vorbis is a fully open, non-proprietary, patent-and-royalty-free, general-purpose compressed audio format. [BSD]
Public domain, header-only MP3 decoder with clean-room implementation. [CC0]
Verovio is a fast and lightweight music notation engraving library. [LGPL] website
Public domain, a fast open source speech processing toolkit written entirely in C++ and uses the ArrayFire tensor library and the flashlight machine learning library for maximum efficiency. [BSD]
A lightweight speech recognition engine. [BSD-2-Clause] website
C++ Computational Libraries for Bioinformatics. [BSD]
An open source C++ library for the computational simulation of mathematical models developed for physiology and biology. [BSD]
A C++ library for representing and analyzing population genetics data. [GPL]
Algorithms and data structures for the analysis of sequences with the focus on biological data. [BSD/3-clause]
A C++ library for parsing and manipulating VCF files. [MIT]
Structural variants (SVs) in Genomes by directly applying association tests to BAM files. [MIT]
A C library for reading/writing high-throughput sequencing data. [MIT/BSD] website
BitTorrent DHT library in C. [MIT]
(a.k.a. libtorrent-rasterbar) - An efficient feature complete C++ bittorrent implementation. [BSD]
(a.k.a. libtorrent-rakshasa) - BitTorrent library. [GPL]
uTorrent Transport Protocol library. [MIT]
A molecular dynamics trajectory analysis engine in C++ and Lua with Nix. It is an acronym for Deferred Structural Elucidation Analysis for Molecular Simulations. [GPL] website
A message-passing parallel molecular dynamics implementation. [GPL] website
A computational framework in C++ and Python for modeling chemically reactive systems. [LGPL] website
A classical molecular dynamics code with a focus on materials modeling. It's an acronym for Large-scale Atomic/Molecular Massively Parallel Simulator. [GPL] website
Multiresolution Adaptive Numerical Environment for Scientific Simulation. [GPL] website
The Massively Parallel Quantum Chemistry program, MPQC, computes properties of atoms and molecules from first principles using the time independent Schrödinger equation. [GPL] website
An ab initio computational chemistry package. [GPL] website
A minimalist, frustration-free, header-only argument handler. [BSD]
Argument Parser for Modern C++. [MIT]
Command-Line Argument Parsing Library for Modern C++ — Simple, Intuitive, and Header-only with Zero Dependencies [MIT]
Small C++ header to display async animations, counters, and progress bars. [Apache-2.0] website
A library to obtain program options via conventional methods such as command line and config file. [Boost] website
A cross-platform header only C++14 library for interactive command line interfaces (Cisco style). [Boost]
Header only single or multi-file C++11 library for simple and advanced CLI parsing. [BSD]
Easy to use, powerful and expressive command line argument handling for C++11/14/17 contained in a single header file. [MIT]
Small header only C++ library for writing multiplatform terminal applications. [MIT]
A small, self-contained, zero-config, MIT licensed, cross-platform, readline and libedit replacement. [MIT]
Crossplatform C++11 library to handle Ctrl+C event in custom functions. [MIT]
A library to generate option parser from docstring. [MIT/Boost]
Library for creating terminal applications with text-based widgets. [LGPL]
C++ Functional Terminal User Interface. [MIT]
Commandline flags module for C++. [BSD]
Immediate Mode Text-based User Interface. [MIT]
Activity indicators for Modern C++. [MIT]
A small self-contained alternative to readline and libedit. [BSD-2-Clause]
A small, portable GNU readline replacement for Linux, Windows and MacOS which is capable of handling UTF-8 characters. [BSD]
A simple to use, composable, command line parser for C++ 11 and beyond. [Boost]
A terminal user interface. [MIT]
Convenient, high-performance RGB color and position control for console output. [MIT]
Public domain curses library with both source code and pre-compiled library available. [PublicDomain]
A single-header templated command line arguments and ini file parser for C++ 11 and beyond. [MIT]
A readline and libedit replacement that supports UTF-8, syntax highlighting, hints, works on Unix and Windows. [BSD]
A mature, stable and feature-rich library for defining and accessing command line arguments in ANSI C++. [MIT]
A C library for writing text-based user interfaces. [MIT]
C++17 Terminal User Interface(TUI) Library. [MIT]
A single-header terminal UI (TUI) library, capable of creating mouse-driven, interactive applications on the command line. [MIT]
A C++ command-line argument parser. [MIT]
A C++ static library offering a clean and simple interface to the 7-zip shared libraries. [MPL2]
Brotli compression format. Developed by Google. [MIT]
A freely available, patent free, high-quality data compressor. [BSD]
A better and stronger spiritual successor to BZip2. [LGPL]
Small & portable byte-aligned LZ77 compression. [MIT]
New generation entropy codecs : Finite State Entropy and Huff0.
efficient random-access string compression. [MIT]
data compression library for embedded/real-time systems [ISC]
a modern, modular, portable and efficient lossless data compressor implemented in C++. [Apache-2.0]
A library for creating, reading, writing and manipulating file archives like zip and tar. It also provides transparent compression and decompression of data, using formats like gzip, via a subclass of QIODevice. [LGPL]
Multi-format archive and compression library. [New BSD] website
Extremely Fast Compression algorithm. [BSD] website
Fast In-Memory Data Compression Algorithm. [MIT]
LZFSE compression library and command line tool. Developed by Apple.
Lossless data compression library with a compression ratio similar to LZMA but with much faster decompression. [BSD]
zap: - The default and general compression method of 7z format. [PublicDomain] website
An extremely fast real-time lossless data compression library. [GPL]
Single C source file Deflate/Inflate compression library with zlib-compatible API, ZIP archive reading/writing, PNG writing. [MIT]
Zlib with latest bug fixes that supports PKWARE disk spanning, AES encryption, and IO buffering. [zlib]
Fork of the popular zip manipulation library found in the zlib distribution. [zlib]
Ridiculously fast decompression at good ratios. [MIT]
A novel data compression framework. [BSD] website
A library to provide abstract access to various archives. It is intended for use in video games, and the design was somewhat inspired by Quake 3's file subsystem. [zlib]
Gzip Decompression and Random Access for Modern Multi-Core Machines. [Apache-2/MIT]
Small strings compression library. [BSD]
A fast compressor/decompressor. [BSD]
A very compact compression library for data streams. [zlib]
zlib for the "next generation" systems. Drop-In replacement with some serious optimizations. [zlib]
Zstandard - Fast real-time compression algorithm. Developed by Facebook. [BSD]
High-performance asymmetric lossless compression. [BSD-3-Clause]
Provides read access on ZIP-archives. [MPL/LGPL]
A lossless data compression program that aims for the highest compression ratios at the cost of speed. [GPL-3.0]
A portable SIMD implementation of LZSSE compression. [BSD-2-Clause]
A compression library that performs very good but slow deflate/zlib compression. [Apache-2.0]
Abstraction library for parallel kernel acceleration. [LGPLv3+]
A lightweight concurrency framework for C++11, inspired by the Microsoft PPL library and the N3428 C++ standard proposal. [MIT]
C++14 multiple-producer-multiple-consumer lock-free queues based on circular buffers and std::atomic. [MIT]
A C++ GPU Computing Library for OpenCL. [Boost] website
A C++ template library optimized for GPUs. [Apache2]
A fast, lightweight, and easy-to-use C++17 thread pool library [MIT]
Thread-safe container for sharing data between threads. [MIT]
Concurrency primitives, safe memory reclamation mechanisms and non-blocking data structures. [BSD]
A fast multi-producer, multi-consumer lock-free concurrent queue for C++11. [BSD,Boost]
An easy-to-use and fast library for task-based parallelism, utilizing coroutines. [BSL-1.0]
CUB provides state-of-the-art, reusable software components for every layer of the CUDA programming mode. [New BSD]
Lightweight, Modern-C++ wrappers for the CUDA GPU programming runtime API. [BSD]
C++ API to run CUDA/C++ on OpenMP, Threads, TBB, ... through Alpaka. [LGPLv3+]
A reactive programming library for C++11. [Boost]
A high-performance C++ library for parallel programming with thread pools, parallel for loops, futures, task graphs, and concurrent containers. [MIT]
Task-based multi-threading library that supports task graphs with arbitrary dependencies. [Apache]
A general purpose C++ runtime system for parallel and distributed applications of any scale. [Boost]
A task scheduling framework designed for the needs of game developers. [MIT]
Intel® implementation of C++17 STL for C++11 and above. [Apache2]
Intel® Threading Building Blocks. [Apache2]
A library of concurrent data structures in C++. [BSD]
A performance portable programming model for parallel execution and memory abstraction. [BSD]
A C++ library of Concurrent Data Structures. [BSD]
An OpenCL based GPU accelerated SPH fluid simulation library. [MIT]
Introduces structured concurrency in C. [MIT]
Grand Central Dispatch (GCD), developed by Apple Inc., is a task parallelism technology based on the thread pool pattern. libdispatch is a library that provides the implementation of GCD's services. [Apache-2.0] website
A bleeding-edge, lock-free, wait-free, continuation-stealing tasking library built on C++20's coroutines. [MPL-2.0] website
Introduces Go-style concurrency in C. [MIT]
Marl is a hybrid thread / fiber task scheduler written in C++ 11. [Apache-2.0]
moderngpu is a productivity library for general-purpose computing on GPUs. It is a header-only C++ library written for CUDA. The unique value of the library is in its accelerated primitives for solving irregularly parallel problems. [FreeBSD & Copyright, Sean Baxter]
Optimized primitives for collective multi-GPU communication. [BSD]
Concurrency library for C (coroutines). [MIT]
The open standard for parallel programming of heterogeneous systems.
Event loop friendly C++ actor micro framework. [MIT]
An implementation of Actor, Publish-Subscribe, and CSP models in one rather small C++ framework. [BSD-3-Clause]
A powerful C++ coroutine dispatcher framework built on top of Boost.Coroutine2.
The RaftLib C++ library, streaming/dataflow concurrency via C++ iostream-like operators. [Apache2]
A fast single-producer, single-consumer lock-free queue for C++. [BSD]
Efficient STL-like Data Structures on the GPU. [Apache2]
A General-purpose Parallel and Heterogeneous Task Programming System. (renamed from Cpp-Taskflow) [MIT]
A simple C++11 Thread Pool implementation [zlib]
A parallel algorithms library which resembles the C++ Standard Template Library (STL). [Apache2]
High-performance C++20 coroutine framework with advanced hardware detection features. [BSL-1.0]
A C++ vector expression template library for OpenCL/CUDA. [MIT]
A C++ parallel programming framework designed to work on both shared and distributed memory parallel computers. [BSD]
A general concurrency library containing tasks, executors, timers and C++20 coroutines to rule them all.
The NVIDIA C++ Standard Library, providing heterogeneous implementation of C++ Standard Library facilities. [Apache-2.0]
A library for enabling efficient and persistent threading in C/C++. [LGPL-2.1]
A header-only and easy to use Ini file parser for C++. [MIT]
Single header only C++ version of inih. [BSD-3-Clause]
Single header only C++ version, with some handy read/write interface, extend from inih. [BSD-3-Clause] website
INI file parser. [MIT]
Simple header-only C++ ini parser and generator. [MIT]
C, C++ library for processing structured configuration files. [LGPL-2.1] website
Small configuration file parser library for C. [ISC]
INI file reader and writer. [MIT]
Cross-platform C++ library providing a simple API to read and write INI-style configuration files. [MIT]
Header-only TOML parser and serializer for C++17 and later. [MIT] website
a C++11 (or later) header-only toml parser/encoder depending only on C++ standard library. [MIT]
Roaring bitmaps in C (and C++), with SIMD optimizations. [Apache-2.0]
Simple Useful Libraries: C++17/20 header-only dynamic bitset. [MIT] website
Header-only C++20 library that provides fixed capacity constexpr containers. [MIT]
A very fast flat hashtable with Fibonacci hashing.
Implementation of open addressing hash table algorithms in C++. [MIT]
C++ implementation of a fast and memory efficient HAT-trie. [MIT]
A fast header-only hash map which uses hopscotch hashing for collisions resolution. [MIT]
C implementation of ring (circular) buffer, with full thread awareness that allows for concurrent read/write and can automatically grow in size when needed. [BSD] website
A c++ toolbox of locality-sensitive hashing (LSH), provides several popular LSH algorithms, also support Python and MATLAB. [GPL]
Matching Algorithm with Recursively Implemented StorAge. [BSD-2-Clause/LGPL-2.1]
A family of header-only, very fast and memory-friendly hashmap and btree containers [Apache2] website
A data structure that enables fast lookup, predecessor, range searches and updates in arrays of billions of items using orders of magnitude less space than traditional indexes. [Apache2] website
An unordered "bag"-type container which outperforms std containers in high-modification scenarios while maintaining permanent pointers to non-erased elements regardless of insertion/erasure. [zLib] website
A std::list implementation which removes range splicing in order to enable cache-friendlier structure, yielding significant performance gains. [zLib] website
A replacement container for the std::stack container adaptor, with better performance than any std container in a stack context. [zLib] website
A simplified implementation of Arthur O'Dwyer's ring_span implementation ie. a circular buffer view. [MIT]
Fast & memory efficient hashtable based on robin hood hashing for C++14. [MIT]
A fast, memory efficient hash map for C++. [BSD 3-clause]
Persistent map backed by SQLite. [MIT]
A fast and flexible c++ template class for tree data structures. [Apache-2.0]
Compact SVO optimized vector for C++17 or higher. [MIT]
An STL-like C++ header-only tree library. [GPL2+]
A fast & densely stored hashmap and hashset based on robin-hood backward shift deletion. [MIT]
A FIFO-ordered associative container for C++. [MIT]
A C++ hash map and hash set which preserves the order of insertion. [MIT]
A cross platform file encryption utility. Encrypted files are portable across all supported operating systems and processors. [BSD]
A portable and fast cryptography library. [LGPLv2.1+]
A fork of OpenSSL that is designed to meet Google's needs. [Apache2]
A crypto library for C++. [BSD-2]
A free C++ class library of cryptographic schemes. [Boost] website
C++11 header-only message digest (hash) library. [PublicDomain]
A secure communications library implementing the SSL, TLS and DTLS protocols. [LGPL2.1]
A general purpose cryptographic library originally based on code from GnuPG. [LGPLv2.1+]
A free version of the SSL/TLS protocol forked from OpenSSL in 2014. [?]
P(ortable|ackageable) NaCl-based crypto library, opinionated and easy to use. [ISC]
A lightweight, secure, easy-to-use crypto library suitable for constrained environments. [ISC]
A fairly comprehensive, modular and portable cryptographic toolkit. [WTFPL]
An open source, portable, easy to use, readable and flexible SSL library, previously known as PolarSSL. [Apache2] website
A low-level cryptographic library. [LGPL]
A robust, commercial-grade, full-featured, and Open Source cryptography library. [Apache] website
A collection of hash functions, ciphers, tools, libraries, and materials related to cryptography.
Library and command line tool to detect SHA-1 collision in a file. [MIT]
A C++17 cross-platform implementation for UUIDs. [MIT]
A multi-language, cross-platform library that provides cryptographic APIs that are secure, easy to use correctly, and hard(er) to misuse. [Apache-2.0]
Small portable AES128/192/256 in C. [PublicDomain]
Small and portable implementation of the ECDH key agreement protocol in C. [PublicDomain]
crypto library for painless data security, providing symmetric and asymmetric encryption, secure sockets with forward secrecy, for mobile and server platforms. [Apache2]
A library for homomorphic encryption and its applications. [Apache2]
Simple encryption library based on Qt for C++ projects. [LGPL]
A small and fast ECDH and ECDSA implementation for 8-bit, 32-bit, and 64-bit processors. [BSD-2-Clause]
Basic implementations of standard cryptography algorithms (AES, SHA, etc.) in C. [PublicDomain]
A fast AES-based stream cipher for C. [ISC]
Just another header-only C++17 CSV parser. [Unlicense]
Fast CSV parser for modern C++. [MIT]
Compile-time and runtime CSV parser written in C++17. [Zlib]
Small, easy-to-use and fast header-only library for reading CSV files. [BSD-3-Clause]
High performance, header only, CSV library with reflection support. [MIT]
A fast, lightweight and single-header csv parser for modern C++. [MIT]
An easy-to-use, header-only C++ CSV parser library. [BSD-3-Clause]
A header only "csv" parser which is fast and versatile with modern C++ api. [MIT]
A fast, self-contained, streaming C++17 CSV parser with optional type-casting and statistics. [MIT]
The world's fastest (simd) CSV parser, with an extensible CLI. [MIT]
C++ client for ClickHouse DBMS. [Apache2]
Ultra High-performance Lightweight Embedded and Server OLTP RDBMS. [MPL-2.0] website
Version Controlled SQLite. [PublicDomain/Apache2]
C++ Object-relational mapping for sqlite3. [BSD]
The AI-native database built for LLM applications, providing incredibly fast vector and full-text search. [Apache2]
Embeddable property graph database management system built for query speed and scalability. Implements Cypher. [MIT]
A distributed key value NoSQL database that uses RocksDB as storage engine and is compatible with Redis protocol. [Apache2]
an embedded graph database built for query speed and scalability. [MIT] website
A fast key-value storage library written at Google that provides an ordered mapping from string keys to string values. [BSD]
C library for accessing the PostgreSQL parser outside of the server environment. [BSD-3-Clause]
The official C++ client API for PostgreSQL. [BSD-3-Clause]
Very fast embedded key/value store with full ACID semantics. [OpenLDAP]
C++11 wrapper for the LMDB embedded database library. [PublicDomain]
C/C++ Memgraph Client. [Apache2]
MongoDB client library for C. [Apache2]
C++ driver for MongoDB. [Apache2]
A BSON utility library. [Apache2]
A C++ wrapper for MySQL's C API. [LGPL]
A small C++ wrapper for the native C ODBC API. [MIT]
An open-source, cross-platform, and cross-database object-relational mapping (ORM) system for C++. [GPLv2]
Wrapper of hiredis with clean C++ interface, supporting sentinel and ready to use patterns. [Apache2]
Embeddable, in-memory, document-oriented database with a high-level Query builder interface. [Apache2] website
High performance, shared memory, lock free, cross platform, single file, minimal dependencies, C++11 key-value store. [Apache2]
an embedded SQL database that runs everywhere: on your laptop, on a server, and in the browser. [MIT] website
A database abstraction layer for C++. [Boost]
Community-led project: A RocksDB compliant high performance scalable embedded key-value store. [Apache2]
A reflection-based ORM and SQL query generator for C++-20, similar to Python's SQLAlchemy/SQLModel or Rust's Diesel. [MIT]
A completely embedded, full-featured relational database in a few 100k that you can include right into your project. [PublicDomain]
SQLiteC++ (SQLiteCpp) is a smart and easy to use C++ SQLite3 wrapper. [MIT]
Header only C++14 wrapper around sqlite library. [MIT]
SQLite ORM light header only library for modern C++. [AGPL + paid MIT]
A type safe embedded domain specific language for SQL queries and results in C++. [BSD-2-Clause]
A type safe SQL library for C++. [BSD-2-Clause]
High-performance, durable, transactional embedded storage engine designed for flash and RAM optimization. [MPL-2.0] website
Fast Dense and Sparse Multidimensional Array DBMS. [MIT] website
Modern C++ ORM library. [MIT] website
A self-contained, serverless, zero-configuration, transactional NoSQL engine. [BSD-2-Clause] website
An embedded "typed" key/value store with a built-in query interface. [GPLv3]
TigerBeetle is a financial accounting database designed for mission critical safety and performance to power the future of financial services. [BSL-1.0]
a client library for MySQL-compatible database servers, designed for performance, flexibility, and ease of embedding. [MIT]
Multi-Modal database for BLOBs, JSON, and graphs. [Apache2]
A C++ vectorized database acceleration library aimed to optimizing query engines and data processing systems. [Apache-2.0] website
A compile-time SQL query parser and executor in C++17. [MIT]
A fast, append-only key/value store for SSD drives. [Boost]
Cross-platform header-only C++ plotting library that interfaces with Gnuplot. [MIT]
C++ Graphics Library for Data Visualization. [MIT] website
C++ header-only graphing and data visualization with modern OpenGL. [Apache-2.0] website
A C++ interface to the Plotly.js figure spec, for creating interactive data visualizations. [MIT]
A C++ wrapper around the matplotlib Python plotting library. [MIT]
Cross-platform, heap-free C test framework with parameterized and lifecycle-aware tests and assertions with ad-hoc formatted messages. [MIT]
A beautiful stack trace pretty printer for C++. [MIT]
A suite of continuous benchmarking tools designed to catch performance regressions in CI. [MIT]/[Apache2]
Boost Test Library. [Boost] website
Check is a unit testing framework for C. [LGPL-2.1] website
C++ Benchmarking Framework. [Apache2]
A C++ library for debugging purposes that can print any variable, even user-defined types. [MIT]
Unit testing and mocking framework for C/C++. [BSD-3-clause]
C++ Unit Testing Easier. [LGPL3]
unit testing framework for C with support for mock objects. [Apache2]
Performance benchmark framework for C++ with nanoseconds measure precision. [MIT]
A simple, portable, and self-contained C++ stacktrace library supporting C++11 and greater. [MIT]
C++ port of JUnit. [LGPL2]
Single-header crash reporting for C++ that logs stack traces and creates .dmp and .txt crash dumps. [MIT] website
The CMake test driver program. [BSD]
A dbg(…) macro for C++. [MIT]
Debug logging viewer. [Boost]
A tool for resource leak detection, including memory, GDI and handle leaks.
A library for writing and using C++ mock classes. [BSD]
Single-header mocking framework. [LGPL-2.1]
Never use cout/printf to debug again [MIT]
Multiplatform debug heap useful for tracking down memory errors. [BSD]
The most over-engineered C++ assertion library. [MIT]
Write tests in C. [GPL2]
Profiler with web-view for multiple platforms. [Unlicense]
A minimal unit testing framework for C self-contained in a single header file. [MIT]
Simple, fast, accurate single-header microbenchmarking functionality for C++11/14/17/20. [MIT] website
A simple low-overhead cross-platform timer class for benchmarking. [zLib] website
A C++ micro-benchmarking framework. [CC]
Lightweight C++20 testing framework. [Boost]
Open-source regression testing system that you can self-host. [Apache2] website
A lightweight unit testing framework for C++. [MIT/X Consortium license]
Simple Unit Testing for C. [MIT]
Single header unit testing framework for C and C++. [Unlicense]
Singe-header profiler for C++17. [MIT]
C++20 single header/single module, macro-free μ(micro)/Unit Testing Framework. [Boost]
Visual Leak Detector. A free, robust, open-source memory leak detection system for Visual C++.
A heap memory profiler for Linux. [LGPL-2.1]
Modern documentation for modern C++, configure with YAML, output Markdown. [Apache 2.0] website
zap: - The de facto standard tool for generating documentation from annotated C++ sources. [GPL2] website
A compiler from Doxygen XML to reStructuredText for Sphinx. [MIT]
The modern documentation tool for C++. [AGPL/Proprietary] website
Natural Docs is an open source documentation generator for multiple programming languages. [AGPL/Proprietary] website
Static documentation generator that consumes Doxygen XML alongside OpenAPI, godoc, MCP, and Markdown. [AGPL-3.0] website
A collection of useful C++ classes for digital signal processing. [MIT]
The fast Continuous Wavelet Transform (fCWT) is a library for fast calculation of CWT. [Apache-2.0]
A C library for computing the DFT in one or more dimensions. [GPL]
IIR Realtime C++ filter library. [MIT]
A Fast Fourier Transform (FFT) library that tries to Keep it Simple, Stupid. [BSD-3-Clause]
FFT implementation based on FFTPack, but with several improvements. [BSD-3-Clause]
C implementation of 1D and 2D wavelet transforms. [BSD-3-Clause]
Font configuration and customization library. [MIT] website
FreeType is a freely available software library to render fonts. [FTL & GPLv2]
A C library and utility used for parsing and writing OpenType font files. [Apache-2.0]
A text shaping engine. [Old MIT]
A lightweight TrueType font rendering library. [ISC]
A sophisticated implementation of Unicode Bidirectional Algorithm. [Apache-2.0]
A high speed C++17 Vulkan game engine. [MIT]
A cross-platform library mainly aimed for video games and multimedia programming. [zlib]
A cross-platform game engine for desktop, mobile, and XBOX (UWP), derived from Cocos2d-x-4.0. [MIT] website
A multi-platform framework for building 2d games, interactive books, demos and other graphical applications. [MIT]
Crown is a general purpose data-driven game engine, written from scratch in orthodox C++ with a minimalistic and data-oriented design philosophy in mind. [MIT]
A robust simulation platform. [LGPL2]
A cross-platform native C++ game framework for creating 2D/3D mobile and desktop games. [Apache2]
Community project to build a free game engine for implementing open world 3D games. [MIT]
A lightweight game engine written in C++14 with a "true" entity-component system. [Apache 2.0]
Hazel is primarily an early-stage interactive application and rendering engine for Windows. [Apache-2.0 license]
Fork of X-Ray 1.6 engine that aims to improve gaming experience and simplify development of modifications. [Modified MIT/non-commercial only]
2D library for Linux, Windows, macOS, Android, iOS, Xbox, the Nintendo Switch and the Web. [zlib] website
a cross-platform open source game engine with plugin-based architecture. [GPLv2] website
A cross-platform 2D game engine with an emphasis on performance, written in C++11 and optionally scriptable in Lua. [MIT] website
An open-source, real-time, multi-platform 3D engine based on Amazon Lumberyard. [Apache2] website
a community-modified X-Ray engine used in S.T.A.L.K.E.R. game series. [Modified BSD/non-commercial only]
A cross-platform 2D C++ game engine. [MIT]
A game engine, a framework for 3D rendering and game development for Python and C++ programs. [Modified BSD] website
The official distribution of olcPixelGameEngine, a tool used in javidx9's YouTube videos and projects. [OLC3]
A cross-platform framework for creative code in C++ (with Lua bindings). [MIT]
Actively maintained branch of the original Quake engine code with 20+ years of development. [GPL-2.0]
A simple and easy-to-use library to enjoy videogames programming. [zlib/libpng] website
A powerful free cross-platform RTS game engine. [GPLv2/GPLv3] website
An open-source and cross-platform C++ engine built for 2D game development. [MIT] website
An open-source C++ engine built for 3D game development. [MIT] website
toy is a thin and modular c++ game engine and offers simple expressive c++ idioms to design full featured 2D or 3D games in fast iterations.
A free lightweight, cross-platform 2D and 3D game engine implemented in C++. Greatly inspired by OGRE and Horde3D. [MIT]
An open-source cross-platform 3D rendering engine and editor (ZEngine) written in C++20 with Vulkan. [MIT]
Native, mobile, cross-platform GUI Framework. [GPL/LGPL/Proprietary] website
Cross-platform C++20 GUI framework. MVVM, reactive capabilities. Scalable, accelerated GPU rendering [GPL/Proprietary] website
Flexible, cross-platform GUI library.
Lightweight, fine-grained, resolution independent, modular GUI library. [MIT]
Fast, light, cross-platform C++ GUI toolkit. [LGPL2]
an open-source, cross-platform widget toolkit. [LGPL]
GPU Accelerated C++ User Interface, with WYSIWYG developing tools, XML supports, built-in data binding and MVVM features. [Ms-PL]
The official C++ interface for the popular GUI library GTK+. [LGPL]
Immediate Mode Plotting widgets for imgui. [MIT]
Multi-platform toolkit for building graphical user interfaces. [MIT]
Simple and portable (but not inflexible) GUI library in C that uses the native GUI technologies of each platform it supports. [MIT]
Fast, flexible and simple GUI. [MIT]
Nana is a cross-platform library for GUI programming in modern C++ style. [Boost]
A minimalistic cross-platform widget library for OpenGL 3.x or higher. [BSD]
SDK for building cross-platform desktop apps in ANSI-C. [MIT] website
Qt plotting widget without further dependencies. [GPLv3]
Qt Widgets for Technical Applications. [Own based on LGPL]
A feature-rich Qt/OpenGL-based C++ programming library, providing essentially a bunch of 3D-widgets. [zlib]
The HTML/CSS User Interface library evolved. Fork of libRocket. [MIT]
A modern, cross-platform C++ webview library. [MIT]
Sciter is an embeddable HTML/CSS/scripting engine aimed to be used as an UI layer of modern desktop applications. [Free/Commercial]
Lightweight GUI toolkit for desktop and embedded. [GPL/Free/Proprietary] website
Cross-platform modern c++ GUI. [Zlib] website
Use any web browser as GUI, with your preferred language in the backend and HTML5 in the frontend. [MIT] website
A library to create charts in wxWidgets applications. [MIT] website
A C++ library that lets developers create applications for Windows, Mac OS X, Linux and other platforms with a single code base. [Own LGPL]
A library for creating native cross-platform GUI apps. [LGPLv2]
The smallest header-only GUI library (5 KLOC) for all platforms. [Apache-2.0]
A small C library for building user interfaces with C, XML and CSS. [MIT]
Open Asset Import Library (assimp) is a cross-platform 3D model import library which aims to provide a common API for different 3D asset file formats. [BSD-3-Clause] website
2D vector graphics engine powered by a JIT compiler. [Zlib] website
A 2D graphics library with support for multiple output devices. [LGPL2 or Mozilla MPL]
A C++11 header-only turtle graphics library acting as a CImg wrapper. [MIT]
A modern cross-platform low-level 3D graphics library. [Apache2]
A collection of helper classes for writing DirectX 11.x code in C++. [MIT]
A thin modern C++17 header-only wrapper for GLFW. [MIT]
3D visualization library usable in C++, Python, Lua and Go. Based on BGFX. [GPLv3/LGPLv3/Proprietary] website
A basic 3D scene implemented with various engines, frameworks or APIs. [MIT] website
A small and efficient set of libraries for building cross-platform client or server applications that use 3D graphics. [Apache2] website
A high performance realtime 3D engine written in C++. [zlib]
Low Level Graphics Library (LLGL) is a thin abstraction layer for the modern graphics APIs. [BSD-3-Clause]
a standalone SVG rendering library in C++. [MIT]
Lightweight and modular C++11/C++14 graphics middleware for games and data visualization. [MIT] website
An SDK to Supercharge Your 3D Data Processing Efficiency. [Free/Commercial] website
Realtime, Embeddable, Headers Only C++11 CPU vector graphics. no STD lib, no FPU and no GPU required. [CUSTOM] website
Antialiased 2D vector drawing library on top of OpenGL for UI and visualizations. [Zlib]
zap: - A scene-oriented, real-time, flexible 3D rendering engine (as opposed to a game engine) written in C++. [MIT] website
An open source high performance 3D graphics toolkit. [OSGPL]
Pixar's library for evaluating and rendering subdivision surfaces on CPU and GPU. [Modified Apache2]
Library and tools for storing, editing, and rendering volumetric datasets. [MPL2]
Library for wrangling particle data, with support for most common file formats. [Modified BSD]
A complete 2D graphic library for drawing Text, Geometries, and Images. [BSD] website
a platform-independent portable library that allows for drawing vector-based scenes and animations, including SVG and Lottie. [MIT] website
A small, yet powerful ANSI C library for interpolating, transforming, and querying arbitrary NURBS, B-Splines, and Bézier curves. [MIT]
Tiny C++ Libraries for Data-Driven Physically-based Graphics. [MIT]
High-quality Pro HDR image resizer and fast SIMD Lanczos resizer. [MIT]
Generic Image Library. [Boost] website
Simple and Fast header only Bitmap C++ library. [MIT]
A small, open source, C++ toolkit for image processing. [Own LGPL or GPL]
An image processing and conversion library to load, save, display, transform BMP, JPEG, GIF, PNG, TIFF, MNG, ICO, PCX, TGA, WMF, WBMP, JBG, J2K images. [zlib]
zap: - A toolkit for making real world machine learning and data analysis applications in C++. [Boost] website
Super fast C++ .PNG writer/reader. [Unlicense]
An open source library that supports popular graphics image formats and others as needed by today's multimedia applications. [GPL2 or GPL3]
GD Graphics Library, famously used in PHP for image loading/manipulation & thumbnail generation. [custom permissive license, requires mention in user docs] website
DICOM Toolkit.
Grassroots DICOM library.
An open-source, cross-platform system for image analysis. [Apache2 from ITK 4.0]
an improved JPEG encoder and decoder implementation. [BSD-3-Clause]
Leptonica is an open source library containing software that is broadly useful for image processing and image analysis applications. [BSD-2-Clause] website
Library for encoding and decoding .avif files. [BSD-2-Clause]
Open source library for face detection in images. The face detection speed can reach 1500FPS. [BSD]
A JPEG image codec that uses SIMD instructions to accelerate baseline JPEG encoding and decoding. [IJG & BSD-3-Clause & zlib] website
the reference library for use in applications that read, create, and manipulate PNG (Portable Network Graphics) raster image files. [libpng-2.0] website
A fast image processing library with low memory needs. [LGPL] website
PNG encoder and decoder in C and C++. [Zlib]
ImageMagick program interfaces for C++. [Apache2]
ImageMagick program interfaces for C. [Apache2]
zap: - Open source computer vision. [Apache2] website
Cross-platform library for high dynamic range imaging. [Modified BSDF]
Powerful image and texture wrangling library with support for a wide number of common lossy and RAW formats. [Modified BSD]
an open-source JPEG 2000 codec written in C language. [BSD-2-Clause]
A single-header, zero-allocation image filter library in C. [MIT]
Easy-to-use cross-platform image decoding library with pluggable image codecs. [MIT]
C++ image processing library with using of SIMD: SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2, AVX-512, VMX(Altivec) and VSX(Power7), NEON for ARM. [MIT]
An OCR engine. [Apache2]
Header-only Tiny DNG/TIFF loader and writer in C++. [MIT]
Tiny ISO-compliant C++ EXIF and XMP parsing library for JPEG. [MIT]
lightweight TIFF reader/writer library. [GPL-3.0]
A C++14 high performance video and image processing library. [MIT]
A generic C++ computer vision library for image analysis. [MIT X11]
Open-source, freely available software system for 3D computer graphics, image processing and visualization. [BSD]
High-performance, high-quality denoising library for ray-traced images. [Apache-2.0] website
C++ Bitmap Library for reading, writing, and processing BMP image files. [MIT]
GNU 'gettext'. [GPL2]
A set of C/C++ and Java libraries providing Unicode and Globalization support. [ICU]
An encoding conversion library between different character encodings. [GPL]
Unicode routines (UTF8, UTF16, UTF32): billions of characters per second using SSE2, AVX2, NEON, AVX-512. [Apache-2/MIT]
Unicode Algorithms Implementation for C/C++. [Unlicense or MIT]
A clean C library for processing UTF-8 Unicode data. [MIT]
Efficient cross-language IPC/RPC, works between C++, Java, Python, PHP, C#, and many more other languages. Originally developed by Facebook. [Apache2]
Header-only Boost library that supports kernel-level shared memory and memory-mapped files, with in-built synchronization mechanisms (semaphores, mutexes, and more). [Boost] website
bRPC is an Industrial-grade RPC framework using C++ Language, which is often used in high performance system such as Search, Storage, Machine learning, Advertisement, Recommendation etc. [Apache2] website
Fast data interchange format and capability-based RPC system. [MIT] website
Pub/sub, client/server, C++/Python/C#, various message protocols (protobuf, capnproto ..). [Apache2] website
Comprehensive RPC framework with support for C++, C#, Java, JavaScript, Python and more. [GPLv2]
True zero-copy inter-process communication framework for safety critical systems with bindings for C, Rust. Runs on Linux, QNX, Windows, Mac OS, FreeBSD. [Apache2] website
JSON-RPC framework for C++ servers and clients. [MIT]
A simple high-performance implementation of several "scalability protocols". [MIT] website
nanomsg-next-generation, a light-weight brokerless messaging library. [MIT] website
A modern C++ msgpack-RPC server and client library. [MIT]
A simple RPC wrapper generator to C/C++ functions. [BSD]
A lightweight RPC system that supports multiple protocols and OpenTelemetry. [Apache2]
Provides RPC and pub/sub messaging patterns. (various implementations, various languages)
A lightweight RPC library based on XML and HTTP. [BSD]
A property tree parser/generator that can be used to parse XML/JSON/INI/Info files. [Boost] website
Ultralightweight JSON parser in ANSI C. [MIT]
Fast, convenient JSON serialization and parsing in C++. [BSL-1.0]
JSON parser and generator for C/C++. [GPL & GPL2]
High performance, header only, CSV library with reflection support. [MIT]
C library for encoding, decoding and manipulating JSON data. [MIT]
jbson is a library for building & iterating BSON data, and JSON documents in C++14. [Boost]
A very sane (header only) C++ JSON library. [BSD]
A minimalistic JSON parser in C. [MIT]
a baroque JSON parsing / serialization library for C++. [Apache-2.0]
A simple one header/one source solution to parsing JSON in C and C++. [Unlicense]
C89 tiny zero-allocation JSON serializer. [MIT]
A JSON implementation in C. [MIT]
A C++ header-only library for JSON and JSON-like binary formats with JSONPointer, JSONPatch, JSONPath and JMESPath. [Boost]
A C++ library for interacting with JSON. [MIT]
A few classes for parsing and serializing objects from/into JSON - very rapidly. [MIT]
A simple JSON parser in ANSI C. [MIT]
Very low footprint JSON parser written in portable ANSI C. [BSD]
High performance, single header JSON parser parsing to and from C++ structs. [MIT]
JSON library for C++. Support for C++11. No dependencies, fast and dev-friendly. [Apache2]
JSON, JSON Pointer, JSON Schema, and JSONL library for C++20. [AGPL/Commercial]
Very simple C++ JSON Parser. [PublicDomain]
A JSON parser and printer library in C. easy to integrate with any model. [LGPL]
Lightweight JSON library. [?]
zap: - Universal configuration library parser. [BSD-2-Clause]
Next-gen C++ JSON/JSON5 Serialization Engine | Zero Dependency | Header-Only | Unleash JSON Potential. [MIT]
Parson is a lighweight json library written in C. [MIT]
A simple class for parsing JSON data into a QVariant hierarchy and vice versa. [GPLv3]
zap: - A fast JSON parser/generator for C++ with both SAX/DOM style API. [MIT] website
Lightweight, extremely high-performance JSON parser for C++11. [MIT]
Extremely fast JSON library that can parse gigabytes of JSON per second. [Apache-2.0]
A fast JSON serializing & deserializing library, accelerated by SIMD. [Apache-2.0]
Zero-dependency C++ header-only JSON library. [MIT]
µjson is a a small, C++11, UTF-8, JSON library. [MIT]
Ultra fast JSON decoder and encoder written in C. [BSD-3-Clause]
A fast streaming JSON parsing library in C. [ISC]
A high-performance, network-optimized JSON manipulation library. [MIT]
The Abseil Logging library provides facilities for writing log messages to stderr, files, or other sinks. [Apache-2.0]
Attribute-based logging framework, which is designed to be fast, modular and highly customizable. [MIT]
Designed to be very modular and extensible. [Boost] website
A lightweight, high-performance logging system used in projects such as "Honor of Kings". [Apache-2.0]
A performant fmtlib-style logging library with latency in nanoseconds. [MIT]
Asynchronous logger with Dynamic Sinks. [PublicDomain]
An extremely fast plain C logging library. [MIT]
A library of C++ classes for flexible logging to files, syslog, IDSA and other destinations. [LGPL]
A simple to use C++ logging API providing thread-safe, flexible, and arbitrarily granular control over log management and configuration. [BSD & Apache2]
A lightweight C++ logging library. [PublicDomain]
Very fast synchronous and asynchronous C++17 logging library. [MIT]
C++14 library for application-level logging. [BSD-3-Clause]
Low-latency, high-throughput, asynchronous logging library for C++. [MIT]
A very small and lightweight C++ library which you can use to add logging to your C++ applications. [Boost]
An open source and cross-platform library for high-speed sending telemetry & trace data with minimal usage of CPU and memory. [LGPL]
Asynchronous cross platform low latency logging library. [MIT]
A simple, elegant and efficient C++ header-only logging library. [MIT]
A fast, scalable, high performance Gradient Boosting on Decision Trees library. [Apache2]
C-based/Cached/Core Computer Vision Library, A Modern Computer Vision Library. [BSD]
Open source neural network framework written in C and CUDA. [PublicDomain] website
zap: - A toolkit for making real world machine learning and data analysis applications in C++. [Boost] website
A library for efficient similarity search and clustering of dense vectors. [MIT]
Fast Artificial Neural Network library in C. [LGPL]
A highly-modular C++ machine learning library for embedded electronics and robotics. [MIT] website
A fast, flexible machine learning library from Facebook AI Research written entirely in C++ and based on the ArrayFire tensor library. [BSD-3-Clause] website
Tensor library for machine learning with 16-bit and 4-bit quantization support. [MIT]
A simple, easy-to-use, efficient library for Support Vector Machines. [BSD-3-Clause] website
A CLI tool to transpile trained classic ML models into a native C code with zero dependencies. [MIT]
A modern C++ data sciences toolkit. [MIT]
A fast and flexible system for deep learning. [Apache2]
A high-performance neural network inference computing framework optimized for mobile platforms. [BSD]
zap: - Open Source Computer Vision Library. [BSD] website
A powerful machine learning library that helps speed up big data analysis. [Apache]
C and C++ library for training and inference ONNX models. ONNX is a standard that AI models can be converted into, regardless of the library they are trained with. [MIT] website
C library for product recommendations/suggestions using collaborative filtering (CF). [BSD]
RNNLIB is a recurrent neural network library for sequence learning problems. [GPLv3]
The suite of fast incremental algorithms for machine learning. [Apache2]
The VLFeat open source library implements popular computer vision algorithms specialising in image understanding and local featurexs extraction and matching. [BSD-2-Clause] website
Scalable, Portable and Distributed Gradient Boosting (GBDT, GBRT or GBM) Library, for Python, R, Java, Scala, C++ and more. Runs on single machine, Hadoop, Spark, Flink and DataFlow. [Apache2]
A fully-functional C++ library to automatically synthesize high-performance machine learning kernels. [Apache-2.0]
A C library for statistical and scientific computing. [GPL2]
Fast C++ library for linear algebra & scientific computing. [Apache2] website
A modern, fast and expressive C++ library for automatic differentiation. [MIT] website
high-performance C++ math library for dense and sparse arithmetic. [BSD]
provides higher-range/precision integer, rational and floating-point types in C++, header-only or with GMP/MPFR/LibTomMath backends. [Boost] website
C++ library for modeling and solving large complicated nonlinear least squares problems from google. [BSD]
Collection of efficient and reliable geometric algorithms. [LGPL&GPL] website
The configurable math library. [Boost]
A Compositional Numeric Library for C++. [Boost]
An all inline SIMD C++ linear algebra library for use in games and graphics apps.
zap: - A toolkit for making real world machine learning and data analysis applications in C++. [Boost] website
A high-level C++ library of template headers for linear algebra, matrix and vector operations, numerical solvers and related algorithms. [MPL2]
The C++ Mathematical Expression Toolkit Library (ExprTk) is a simple to use, easy to integrate and extremely efficient run-time mathematical expression parser and evaluation engine. [MIT]
A lightweight high performance tensor algebra framework for modern C++. [MIT]
Header-only C++17 library for spherical lat/lng geometry: distance, bearing, area, point-in-polygon. [Apache2]
C++ library for computing in the fields of mathematics, graphics, image analysis and physics. [Boost] website
Header-only C++ math library that matches and inter-operates with OpenGL's GLSL math. [MIT] website
Graphics Math Template Library is a collection of tools implementing Graphics primitives in generalized ways. [GPL2]
A C library for arbitrary precision arithmetic, operating on signed integers, rational numbers, and floating-point numbers. [LGPL3 & GPL2]
A fast, SIMD-optimized C++17 Geometric Algebra library for point, line, and plane projections, intersections, joins, rigid-body motion, and more. [MIT] website
Cross Platform Fixed Point Maths Library. [MIT]
Single header, public domain, short vector math library for C++. [Unlicense]
MATLAB MAT File I/O Library. [BSD-2-Clause] website
A GPU-accelerated C++17 numerical computing library with a MATLAB/Python-like syntax. [BSD 3-clause]
A single-header, dependency-free JIT compiler for scalar mathematical expressions that generates optimized x87 FPU machine code. [BSD]
A Multiprecision Integer and Rational Arithmetic Cryptographic Library. [AGPL]
A templatized header only C++ implementation of the Python Numpy library. [MIT]
SIMD-accelerated distances, dot products, matrix ops, geospatial & geometric kernels for 16 numeric types. [Apache2] (previously named SimSIMD)
Cross-platform modern general purpose math library written in C++23 that suitable for cheat/game development. [ZLIB]
muParser is an extensible high performance math expression parser library written in C++. [MIT]
A free open source portable number theoretic multiple-precision integer library written entirely in C. [PublicDomain & WTFPL] website
A lean linear math library, aimed at graphics programming. [WTFPL]
A library used to formulate and solve linear programming problems. [LGPL] website
An optimized BLAS library based on GotoBLAS2 1.13 BSD version. [BSD 3-clause] website
PCG is a family of simple fast space-efficient statistically good algorithms for random number generation. Unlike many general-purpose RNGs, they are also hard to predict. [Apache]
A free/open-source library for quantitative finance. [Modified BSD] website
A templated C++20 math library which emphasizes convenience and pleasure for the client programmer (used in mathplot). [Apache2] website
A C++ header-only library of statistical distribution functions. [Apache2] website
Fast symbolic manipulation library, a rewriting of SymPy's core in C++. [MIT]
A C library for parsing and evaluating math expressions from strings. [zlib]
SIMD Vector Classes for C++. [BSD]
A (fast) Generic C++ library for Geometric Algebras, including Euclidean, Projective, Conformal, Spacetime (etc).
A general library for geometry operations of union, intersections, difference, and xor. [mapbox-wagyu original]
Wide-Integer implements a generic C++ template for uint128_t, uint256_t, uint512_t, uint1024_t, etc. [BSL-1.0]
A C++ library of efficient, robust and simple to use C++ 2D/3D oriented computational geometry routines. [MIT]
A C++14 library for numerical analysis with multi-dimensional array expressions, inspired by NumPy syntax. [BSD 3-clause] website
A C++14 header-only library implementing arbitrary posit arithmetic. The posit number system is a tapered floating point that is more efficient than IEEE floating point. Posits enable reproducible computational science. [MIT license]
Singe-header profiler for C++17. [MIT]
Powerful Automatic Differentiation for C++. [AGPL] website
A programming library of geometric algorithms. [BSD-3-Clause]
A portable implementation of std::experimental::simd for C++. [BSD-3-Clause]
Optimized integer division for C/C++ using libdivide. [zlib] website
Fast fixed point and floating point square root for C. [MIT]
Header-only fast C/C++ library for computing remainders and modular reductions. [Apache-2.0]
A C++ library for large scale eigenvalue problems, built on top of Eigen. [MPL2] website
A library for SIMD-accelerated noise generation functions. [MIT]
Conservative garbage collector for C and C++. [similar to X11] website
Smart pointers for the (GNU) C programming language. [MIT]
Fast, Scalable, and Memory-efficient Malloc for Linux, Windows, and Mac. [Apache-2.0] website
General purpose malloc(3) implementation that emphasizes fragmentation avoidance and scalable concurrency support. [BSD] website
STL compatible C++ memory allocator library. [ZLib]
Custom memory allocators to improve the performance of dynamic memory allocation. [MIT]
Cross platform lock free thread caching 16-byte aligned memory allocator implemented in C. [PublicDomain]
Message passing based high-performance allocator. [MIT]
A single header buddy memory allocator for C with bounded allocation costs. [0BSD]
A tiny garbage collector for C written in ~500 LOC. [BSD]
A memory allocator that automatically reduces the memory footprint of C/C++ applications. [Apache-2.0]
A public domain cross-platform lock-free thread-caching 16-byte aligned memory allocator. [PublicDomain]
Two-Level Segregated Fit memory allocator, a general purpose dynamic memory allocator. [BSD]
Real-time media stack and lightweight libwebrtc alternative for RTSP ingest, media processing, signaling, TURN, and browser delivery, built in C++20. [LGPL v2.1+]
Portable subtitle renderer for the ASS/SSA subtitle format. [ISC]
A collection of libraries and tools to process multimedia content such as audio, video, subtitles and related metadata. [LGPL v2.1+ and others] website
Multimedia streaming library using open standard protocols (RTP/RTCP, RTSP, SIP). [LGPL]
libVLC (VLC SDK) media framework. [GPL]
Convenient unified display of the most relevant technical and tag data for video and audio files. [BSD]
A multimedia playback framework based on Qt and FFmpeg to write a player easily. [LGPL] website
A library for reading and editing the metadata of several popular audio formats. [LGPL/MPL] website
WHATWG-compliant and fast URL parser written in modern C++. [Apache-2.0/MIT]
An OO Network Programming Toolkit in C++. [?MIT?]
C++ framework provides a complete tri-lingual SNMP v1/2c/3 protocol engine and dispatcher for the development of SNMP agents. [Apache-2.0]
A cross-platform C++ library for network and low-level I/O programming. [Boost] website
zap: - HTTP and WebSocket built on Boost.Asio in C++11. [Boost] website
Event based, high-level C++14 peer-to-peer library. [EUPL-1.1 (OSI approved)]
C++ REST SDK (previously named Casablanca). [Apache2]
High-level C binding for ØMQ. [MPL2] website
C++11 Asynchronous RESTful framework. [AGPL]
A header-only C++14 library that gives you an embedded HTTP/Websocket server. [BSD]
Chainable async HTTP client built on libcurl's multi interface and ASIO. Callbacks, coroutines and futures from one implementation. [MIT]
A single file C++11 header-only HTTP/HTTPS server library. [MIT]
A collection of open-source libraries for high level network programming. [Boost]
URI parser/builder library for C++, compatible with RFC 3986 and RFC 3987. [Boost]
Ultra fast and low latency asynchronous socket server & client C++ library with support TCP, SSL, UDP, HTTP, HTTPS, WebSocket protocols and 10K connections problem solution. [MIT]
A modern C++ HTTP requests library with a simple but powerful interface. Modeled after the Python Requests module. [MIT] website
An object oriented C++ wrapper for CURL(libcurl). [MIT]
C++ wrapper around libcURL. [MIT]
Data Plane Development Kit, libraries and drivers for fast packet processing. [BSD-3-Clause & GPL-2.0] website
C++ client for making FTP requests. [MIT]
An optimized HTTP server with support for HTTP/1.x and HTTP/2. It can also be used as a library. [MIT]
A fast and reliable ARQ protocol that helps applications to reduce network latency. [MIT]
Multiprotocol file transfer library. [MIT/X derivate license]
C++ library for creating an embedded Rest HTTP server (and more). [LGPL2.1]
GNU libmicrohttpd is a small C library that is supposed to make it easy to run an HTTP server as part of another application. [LGPL v2.1+]
A portable C/C++ library for network traffic capture. [BSD] website
A QUIC protocol library extracted from Chromium's QUIC Implementation. [BSD]
Apache Kafka client library for C and C++. [BSD-2-Clause]
A lightweight pure C WebSocket implementation that provides both client and server libraries. [LGPL2.1 + static link exception] website
Build high performance C++ HTTP servers without being a C++ expert. [MIT]
A lightweight TCP/IP stack. [Modified BSD]
mailio is a cross platform C++ library for MIME format and SMTP, POP3 and IMAP protocols. [BSD]
Highly scalable user-level TCP stack for multicore systems. [Modified BSD]
HTTP/2 C Library. [MIT] website
HTTP/3 library written in C. [MIT] website
HTTP server library in C designed to be lightweight and easy to use. [Apache2/GPL2]
An open source C++ implementation of the Object Management Group (OMG) Data Distribution Service (DDS). [Apache2]
High-speed packet processing framework. [LGPL-2.1] website
A tiny, primitive, fast HTTP request/response parser. [MIT]
zap: - C++ class libraries and frameworks for building network- and internet-based applications that run on desktop, server, mobile and embedded systems. [Boost] website
Facebook's collection of C++ HTTP libraries including an easy to use HTTP server. [BSD]
Streaming data platform for developers. Kafka API compatible. 10x faster. [BSL]
A cross platform, open source, C++ networking engine for game programmers. [BSD]
Simple REST client for C++. It wraps libcurl for HTTP requests. [MIT]
Simple, small, C++ embeddable webserver with WebSockets support. [BSD]
a C++ API which supports SNMP v1/2c/v3. [custom permissive license]
Single C file TLS 1.2/1.3 implementation, using tomcrypt as crypto library [BSD-2-Clause]
A high-performance, lightweight, and cross-platform QUIC library, exposed to C and C++. [Apache2]
An asynchronous web framework for C++ built on top of Qt. [LGPL2]
Strictly RFC 3986 compliant URI parsing and handling library. [BSD-3-Clause]
µWS is one of the most lightweight, efficient & scalable WebSocket & HTTP server implementations available. [Zlib]
A high-performance SIMD-accelerated RPC library on io_uring. [Apache2]
A C language-based ultra-light software platform for scalable server-side and networking applications. Think node.js for C programmers. [GPL2]
A client/server application framework to build asynchronous, event-driven modern C++ services. [Apache-2.0]
An embeddedable library (and command line tool) aiming to transfer data between 2 systems as fast as possible over multiple TCP paths. [BSD-3-Clause]
C++/Boost Asio based websocket client/server library. [BSD]
a zero-dependency single-header, modern WebSocket client & server, ws/wss library. [MIT]
a multiplatform C++ network sniffing and packet parsing and crafting framework. [Unlicense]
Local Area Clustering for Peer-to-Peer Applications. [MPL2]
A cross-platform HTTP client library providing a caching facility from Sony. [MIT]
Reliable & unreliable messages over UDP by Valve. Connection-oriented API (like TCP). [BSD-3-Clause]
A Windows epoll wrapper based on Winsock. [BSD-2-Clause]
C++ library for creating and modifying Microsoft Word (.docx) files. [MIT]
an open source library to extract valid data from within Spreadsheets. [MPL/GPL-2/LGPL-2]
Read binary Excel files from C/C++ [BSD-2-Clause]
A C library for creating Excel XLSX files. [BSD-2-Clause] website
A C++ library for reading, writing, creating and modifying Microsoft Excel® (.xlsx) files. [BSD-3-Clause]
XLSX files writer for Microsoft Excel 2007 and above. [zlib]
C library for reading and writing .xlsx files. [MIT]
A free, cross platform, open-sourced software library for generating PDF. [zlib]
Library to create and edit PDF documents that uses GDI functions through a device context to draw the page content. [LGPL v3 and zlib]
A lightweight PDF, XPS, and E-book viewer. [AGPL/Proprietary]
High performance library for creating, modiyfing and parsing PDF files in C++ [Apache-2.0] website
PDF toolkit with a rendering and editing library, a viewer and command line tools. [MIT] website
A simple C library for reading and writing PDF files. [Apache-2] website
PDF generation and rendering library. [BSD-3-Clause]
A library to work with the PDF file format. [LGPL]
Open-source multi-backend PDF rendering library based on the xpdf-3.0 code base. [GPLv2/GPLv3]
A tool and C++ library for content-preserving transformations of PDF files. [Apache-2.0] website
Xpdf is a free PDF viewer and toolkit, including a text extractor, image converter, HTML converter, and more. [GPL v2/GPL v3]
An easy-to-use PDF generation library. [Commercial]
A 2D physics engine for games. [BSD-like]
A multi core friendly rigid body physics and collision detection library. [MIT]
framework for building parallel, multi-disciplinary simulation software, aiming at modularity, extensibility, and high performance. [BSD] website
A 2D physics engine for games. [BSD-like]
An integrated solution for real time simulation of physics environments. [zlib]
Open Dynamics Engine - An open source, high performance library for simulating rigid body dynamics. [BSD&LGPL]
openFrameworks wrapper for Box2D. [BSD-like]
An open-source realtime physics engine middleware SDK developed by Nvidia as a part of Nvidia GameWorks software suite. [BSD-3-Clause]
An interactive physics engine & library. [Zlib]
An open source multi-physics simulation engine. [BSD-3-Clause] website
A modern C++11 quantum computing library. [MIT]
A 2D Soft Body and Rigid Body Physics Engine. [MIT]
High-performance C++ multibody dynamics/physics library for simulating articulated biomechanical and mechanical systems like vehicles, robots, and the human skeleton. [Apache2]
SOFA is an open-source framework targeting at real-time simulation, with an emphasis on medical simulation. [LGPL] website
A C++17 static reflection framework, from parse configuration file to native data structure. [MIT]
Reflective enums (to string, iteration). Single header. [BSD] website
C++ Reflection using clang. [MIT]
A C++03 library for reflection, callback and script binding. [Apache2]
C++ Reflection using clang. [MIT]
Easy and fast reflection + serialization solution like in Rust, Java or Go. [Apache]
modern C++17 header-only library for compile-time enum reflection. [MIT]
Header-only C++17 library provides static reflection for enums (to string, from string, iteration), work with any enum type without any macro or boilerplate code. [MIT]
std::tuple like methods for user defined types without any macro or boilerplate code. [Boost]
Header-only, non-intrusive and macro-free runtime reflection system in C++. [MIT]
Header-only C++17 library provides nameof macros and functions to obtain the simple name of variable, type, function, macro, and enum. [MIT]
C++20 Static Reflection library. [MIT]
Serialization through reflection, including automatic field name retrieval from structs. [MIT]
An Fast, Intuitive and Type-Safe C++ Enumeration Support Library. [BSL-1.0] website
An intrusion and macro-free C++20 library for static reflection. It uses libclang to extract reflection data from your source code and makes it usable via template specialization. [MIT]
A miniature library for struct-field reflection in C++. [Boost]
A C++17 runtime reflection and code generation library. [MIT]
C++ regular expressions made easy. [MIT]
Hyperscan is a high-performance multiple regex matching library by Intel. Provides simultaneous matching of large numbers of regexps (up to tens of thousands). Typically used in a DPI library stack. [BSD]
A modern and flexible regular expressions library that supports a variety of character encodings. [BSD]
A regular expression C library inspired by the regular expression capabilities in Perl. [BSD]
a set of C functions that implement regular expression pattern matching. [BSD] website
Perl Incompatible Regular Expressions library by Yandex. Can be really fast (more than 400 MB/s). [LPGL v3.0]
A software library for regular expressions via a finite-state machine using automata theory. [BSD-3-Clause]
Super Light Regexp engine for C/C++. [GPLv2/Proprietary]
A non-backtracking NFA/DFA-based Perl-compatible regex engine library for matching on large data streams. [BSD]
Unicode-aware regular expression template library for C++. [BSD]
The approximate regex matching library and agrep command line tool. [BSD-2-Clause]
A portable fork of the high-performance regular expression matching library. [BSD-3-Clause]
A Pawn plugin that provides support for regular expressions using C++11 std::regex. [MIT]
ROS 2 UKF sensor fusion library fusing GPS, IMU, and wheel odometry with adaptive noise and outlier rejection for robust outdoor localization. [Apache2]
A set of open source C++ modules for providing autonomy on robotic platforms, in particular autonomous marine vehicles.
Mobile Robot Programming Toolkit. [BSD]
Point Cloud Library is a standalone, large scale, open project for 2D/3D image and point cloud processing. [BSD] website
A self-contained C++ library for robot kinematics, motion planning and control. [BSD]
A collection of C++ libraries for simulation and control of robot systems. [Apache2] website
Robot Operating System provides libraries and tools to help software developers create robot applications. [BSD]
Real-time motion generation for robots and machines. [MIT] website
Library and toolkit for communication and device interfaces. [BSD-3-Clause] website
Library and toolkit for computing geometric information used in planning and analyzing science observations obtained from robotic spacecraft. [MIT] website
a header-only C++ library for solving large sparse linear systems with algebraic multigrid. [MIT]
A C++14-compatible physical units library with no dependencies and a single-file delivery option. Emphasis on safety, accessibility, performance, and developer experience. [Apache 2.0] website
A C library for computing the DFT in one or more dimensions. [GPL]
Coupling library for partitioned multi-physics simulations (FSI, CHT, and more). [LGPL] website
Fast Dense and Sparse Multidimensional Array DBMS. [MIT] website
High performance PDE solvers. [BSD]
A scientific computing framework with wide support for machine learning algorithms that puts GPUs first. [BSD-3-Clause] website
High dimensional sampling from truncated distributions, convex optimization and volume computation.
AngelScript is a game-oriented interpreted/compiled scripting language. [zlib]
A C++ library which enables seamless interoperability between C++ and the Python programming language. [Boost] website
Import C++ files directly from Python! [MIT]
Tools and libraries to glue C/C++ APIs to high-level languages. [MIT]
An easy to use embedded scripting language for C++. [BSD] website
A foreign function interface for bash. [MIT]
Cython is an optimising static compiler for both the Python programming language and the extended Cython programming language (based on Pyrex). It makes writing C extensions for Python as easy as Python itself. [Apache] website
A tool for generating cross-language type declarations and interface bindings. [Apache2]
Ultra-lightweight JavaScript engine for the Internet of Things. [Apache-2.0] website
A portable foreign-function interface library. [MIT] website
A minimal and fast scripting engine for configuration files and basic application scripting. [MIT]
A lightweight, dependency-free library for binding Lua to C++. [MIT]
A lightweight, dependency-free library for binding Lua, LuaJIT, Luau and Ravi to C++. [MIT]
C++11 API for creating Lua bindings. [MIT]
A fast, small, safe, gradually typed embeddable scripting language derived from Lua. [MIT] website
MicroQuickJS (aka. MQuickJS) is a JavaScript engine targeted at embedded systems. [MIT]
scripting language modern, elegant, easy to learn, and easy to embed in your own C# or C++ projects. [MIT]
tiny and efficient C++/Python bindings. [BSD-3-Clause]
Magical headers that make your C++ library accessible from JavaScript. [MIT]
A library to build PHP extensions with C++. [Apache2] website
C++17 header-only Python interpreter for game scripting. [MIT] website
a small and embeddable JavaScript engine. [MIT]
C or C++ Bindings Generator for Python v2 and v3. [GPL]
A C++ <-> Lua API wrapper with advanced features and top notch performance. [MIT]
A wrapper/interface Generator that let you link your c++ code to JavaScript, Perl, PHP, Python, Tcl and Ruby. [GPL/Output not licensed] website
A tiny JavaScript runtime. [MIT]
A fast JavaScript engine by Google that can be embedded into any C++ application. [BSD]
Header-only library to expose C++ classes and functions into V8 to use them in JavaScript code. [BOOST] website
A JavaScript engine by Microsoft that can be embedded into nodejs. [MIT]
An embeddable Javascript interpreter in C. [ISC] website
A language and an embedded JIT compiler from Morgan Stanley. [Apache-2.0]
Multi-format serialization library (JSON, XML, YAML, CSV, MsgPack) [MIT]
Header only C++ binary serialization library. [MIT]
An open source, cross-platform framework for working with schematized data. [MIT]
Boost Serialization Library. [Boost] website
Fast data interchange format and capability-based RPC system. [MIT] website
Header-only C++11 library to encode/decode base64, base32 and hex with consistent, flexible API. [MIT]
Fast Binary Encoding is ultra fast and universal serialization solution for C++, C#, Go, Java, JavaScript, Kotlin, Python, Ruby, Swift. [MIT]
A Memory efficient serialization library. [Apache2]
A declarative language to describe various binary data structures and a compiler to generate C++ parser code. [GPLv3+][MIT][Apache2]
a modern, universal and easy-to-use serialization engine developed in C++20 and C++17. [Apache2]
Efficient binary serialization format "like JSON" for C and C++. [Apache2] website
Versioned serialization to binary or text formats. [BSD] website
Protocol Buffers implementation in C. [BSD]
A little, highly templated, and protobuf-compatible serialization/deserialization header-only library written in C++20. [Apache-2.0]
encoding and decoding application messages in binary format for low-latency applications. [Apache2]
A small protobuf implementation in C. [BSD]
O(N) Fountain Code for Large Data. [BSD-3-Clause]
Very fast Yet Another Serialization library supports the binary/text/json formats. [Boost]
Actually, the fastest modern Serialization library. Just check this video.
Facebook's branch of Apache Thrift, including a serialization library and RPC framework. [Apache-2.0]
A cross-platform C++ library for network and low-level I/O programming that provides developers with a consistent asynchronous model using a modern C++ approach. [Boost] website
A cross-platform C++ library for network and low-level I/O programming. [Boost] website
lightweight cross-platform serial port library. [LGPL3]
Serial Port Programming in C++. [BSD-3-Clause]
Cross-platform, Serial Port library written in C++. [MIT] website
Sorting algorithms & related tools for C++14. [MIT]
Pattern-defeating quicksort. [zlib]
A templated stable sorting function which outperforms quicksort-based algorithms including std::sort, for reversed or semi-sorted data. [MIT]
A sort wrapper which enables the use of std::sort (& other random-access sort functions) with non-random-access containers, and also improves sort performance for large/non-trivially-copyable types in random-access containers and arrays. [zLib] website
C++ template library for high performance SIMD based sorting algorithms. [BSD-3-Clause]
VP8/VP9 Codec SDK. [BSD]
A complete, cross-platform solution to record, convert and stream audio and video. [LGPL2/GPL2]
Modern C++ wrapper around FFmpeg. [MIT]
Open h.265 video codec implementation. [LGPL] website
Open h.265 video codec implementation. [GPL2] website
A free and open video compression format. [BSD]
A lightweight and versatile video processing library by Twitter. [MIT]
A cross-platform library for USB video devices. [BSD]
"interesting" VM in C. Let's see how this goes. [GPLv3]
Aims to put an implementation of Python 3.x on a microcontroller. [MIT]
A small, fast, lightweight virtual machine written in pure ANSI C. [MIT]
High-performance, modular C++ HTTP/1.1, HTTP/2 and WebSocket microservices framework focused on performance and scalability. [MIT]
Provides easy to use, powerful, C/C++ embeddable web server with optional CGI, SSL and Lua support. [MIT]
C++ REST SDK (previously named Casablanca). [Apache2]
A Free High Performance Web Development Framework (not a CMS). [LGPLv3]
Crow is a C++ microframework for running web services. It uses routing similar to Python's Flask. [BSD] website
A C++ Web Framework built on top of Qt, using the simple approach of Catalyst (Perl) framework. [BSD-3-Clause] website
A C++17/20 based, high-performance HTTP application framework. [MIT]
C++ Web Framework REST API. [Apache2]
Evented, high performance C web framework supporting HTTP, WebSockets, SSE and more. [MIT] website
ultra fast and flexible web server / framework for web applications developed in C. [ISC]
lightweight library to help you create webservers in C programming language. [LGPLv3]
A modern C++20 web framework focused on performance, type safety, and developer experience. [MIT] website.
Light, zero-dependency framework to create high-performance web-services. [Apache-2.0] website
Pistache is a C++ REST framework written in pure C++11 with no external dependency. [Apache2]
A web framework written in C++ and built on top of the Qt library. Where possible it tries to follow django's API, hence its name. [LGPL]
High-speed and full-stack web application framework based on C++ and Qt, which supports HTTP and WebSocket protocol (with O/R mapping). [BSD] website
Asynchronous C++17 framework with a rich set of abstractions and database drivers for fast and comfortable creation of efficient microservices, services and utilities. [Apache-2.0] website
A C++ library for developing web applications. [GPL/Proprietary]
A single-header HTTP server library for C. [MIT]
A cross-platform HTTP and HTTPS library in C/C++. [MIT]
A property tree parser/generator that can be used to parse XML/JSON/INI/Info files. [Boost] website
An XML parser library written in C. [MIT]
The XML C parser and toolkit of Gnome. [MIT]
An XML Parser for C++. [LGPL2]
A small XML parsing library written in ANSI C. [LGPL2 with exceptions]
A light-weight, simple and fast XML parser for C++ with XPath support. [MIT]
An attempt to create the fastest XML parser possible, while retaining useability, portability and reasonable W3C compatibility. [Boost]
A simple, small, minimal, C++ XML parser that can be easily integrating into other programs. [zlib]
A simple, small, efficient, C++ XML parser that can be easily integrating into other programs. [zlib]
A completely new interface to TinyXML that uses MANY of the C++ strengths. Templates, exceptions, and much better error handling. [MIT]
A library and a command line program to transform XML documents using a stylesheet that conforms to XSLT 1.0 standards. [Apache-2.0] website
A validating XML parser written in a portable subset of C++. [Apache2]
A C++ header-only YAML library. [MIT]
C library for reading and writing YAML. [ISC]
A fancy 1.2 YAML and JSON parser/writer. [MIT]
A C library for parsing and emitting YAML. [MIT] website
Single header YAML 1.0 C++11 serializer/deserializer. [MIT]
Rapid YAML is a C++ library to parse and emit YAML. [MIT]
A YAML parser and emitter in C++. [MIT]
A tool to count accesses to member variables in c++ programs. [GPL3]
a.k.a. afl-fuzz - Crazy fuzzing tool that automatically discovers bugs given time and minimal example input. [Apache2]
The password hash Argon2, winner of PHC. [CC0/Apache2]
Low-latency machine code generation. [Zlib] website
An alternative to the string library for C which is more functional and does not have buffer overflow overrun problems. Also includes a C++ wrapper. [BSD, GPL2]
An implementation of a managed signals and slots system. [Boost] website
A set of c++ core libraries derived from aips++. [LGPL]
a C++ library for translating between absolute and civil times using the rules of a time zone. [Apache-2.0]
Cool cheat sheets and infographics for algorithms, views, containers, randomness, etc.
A Discord API wrapper library written in C. [MIT] website
Range-based for loop add-ons inspired by the Python builtins and itertools library. [BSD-2-Clause]
JSON Web Token library for C++. [MIT]
a fast and easy lazy evaluation library for C++11/14/17/20. [MIT]
Easy to use and fast C++ CRC library. [BSD-3-Clause]
A pretty printing library for C++ containers. [Boost]
A date and time library based on the C++11/14/17 header. [MIT] website
A lightweight, high performance and scalable C++ library for creating Discord Bots. [Apache2] website
Reference implementation of a new float-to-string conversion algorithm in C++. [Apache2/BSL-1.0]
A library which allows you to compose and modify objects at run time. [MIT]
A safe and fast high-level and low-level character input/output library. [MIT]
C++20 Faker library for generating fake (but realistic) data for testing and development. [MIT]
Fast, Exact C++ from_chars, 4x to 10x faster than strtod, part of GCC 12, Chromium, Redis, Webkit/Safari. [Apache2/BSL-1.0/MIT]
Fast, Safe C++ Formatting inspired by log4j and Pantheios. [Simplified BSD]
Significantly faster input/output for C++20. [MIT]
A command-line tool that recursively searches a directory to find C/C++ source code matching a search string. [MIT]
Single-header c99 accelerated float/double parsing. Port of the fast_float library. [Apache-2.0/BSL-1.0/MIT]
zap: - Small, safe and fast formatting library for C++. [Simplified BSD] website
A simple header file for developers to ban unsafe C/C++ functions from applications.
A collection of basic libraries in POSIX C for embedded and network service development. [MIT]
A C++ header-only parser for the PLY file format. Parse .ply happily! [MIT]
A C/C++ header file designed to smooth over some platform-specific annoyances. website
Header-only, lightweight C++ library for binary streaming & serialization. [Apache-2.0/MIT]
Fast strong hash functions: SipHash/HighwayHash. [Apache-2.0]
A Template Engine for Modern C++. [MIT]
almost full-conformance template engine implementation. website
A header only library for creating and validating JSON web tokens in C++. [MIT]
A dependency injection container for C++11 and C++14. [MIT]
Small and lightweight implementations of common algorithms and data structures. [MIT]
Very fast, high-quality hash function, discrete-incremental and streamed hashing-capable. [MIT]
A small C library for x86 CPU detection and feature extraction. [BSD]
A modern C++ library for type-safe environment variable parsing. [Apache-2.0]
The Evil License Manager. [GPLv3]
A lightweight library of C functions and structures. [GPL2.1]
Yet another ONVIF library. [GPL-3.0]
Fast C/C++ bit population count library. [BSD-2-Clause]
A typesafe callback system for standard C++. [LGPL] website
A universal USB library which allows for portable access to USB devices. [LGPL2]
A Pattern-matching library for C++. [BSD]
A minimalistic C++ Jinja templating engine for LLM chat templates. [MIT]
Cross-platform C++11 header-only library for memory mapped file IO. [MIT]
C++17 std::variant for C++11/14/17. [BSL-1.0]
C++20 [Minimal] Static Perfect Hash library. [MIT]
Providing pattern matching for modern c++. [MIT] website
The Parsing Expression Grammar Template Library. [MIT]
Pipelines for expressive code on collections in C++. [MIT]
Pretty Printer for Modern C++. [MIT]
An open-source SDK for PSP homebrew development. [BSD/GNU GPL3]
This Qt lib is based off of the C++ VerbalExpressions library. [MIT]
The fastest 128-bit and 256-bit non-crypto hash, passes all tests, and under 140 source lines of code. [Apache-2.0]
Rapid fuzzy string matching in C++ using the Levenshtein Distance. [MIT] website
Very fast, high quality, platform-independent hashing algorithm. [BSD-2-Clause]
A lightweight, header-only reactive programming framework leveraging modern C++20 features for building efficient dataflow applications. [MIT]
A cross-platform (C99/C++11) process library. [MIT]
C++23 procedure hooking library. [BSL-1.0]
scanf for modern C++. [Apache-2.0] website
A free source code editing component. [MIT]
Simple Dynamic Strings library for C. [BSD]
A semver parser and render in ANSI C. [MIT]
C++ Signal/Slot Library. [PublicDomain]
Implementations of SIMD instruction sets for systems which don't natively support them. [MIT]
Platform independent low-level JIT compiler. [BSD] website
A simple, header only, C++14 signal-slots implementation [MIT]
Fast and standards compliant DNS zone parser. [BSD-3-Clause]
High performance C++11 signals. [PublicDomain]
C/C++ open-source libraries with minimal dependencies. [Various]
C++ parser generator for dissecting protocols & files. [BSD] website
Mobile robot simulator. [GPL2]
A tool that parses archived HTML files from cppreference and generates groff-formatted manual pages for Unix-based systems. [MIT]
the Godzilla of string libraries, splitting, sorting, and shuffling large textual datasets faster than you can say "Tokyo Tower". [Apache-2.0]
A C++ library consisting of high performance string processing routines. [MIT]
Telegram Bot C++ Library. [MIT]
A lightweight library for the RaBitQ algorithm. [Apache-2.0] website
Replacement for std::optional that does not waste memory unnecessarily. [BSL-1.0]
A C library of over 100 financial technical analysis indicators. [LGPL]
A collection of C/C++ programs that try to get compilers to exploit undefined behavior.
A PDF cheatsheet for lvalues, rvalues, and the like. [Jank copyleft]
A feature-rich, object-oriented framework for managing variables in C++ / Qt4. [LGPL]
A simple C++ header-only template library implementing matching using wildcards. [BSL-1.0]
A fast float to string algorithm. [Apache-2.0]
Port of the xxhash library to C++17. [BSD-2-Clause]
A barcode scanner library, which allows to scan photos/images/video streams for barcodes and return their value. [LGPL2]
An open-source, multi-format 1D/2D barcode image processing library implemented in Java, with ports to other languages. [Apache]
A C++17 constexpr library for detecting OS, compiler, architecture, and SIMD at compile time. [MIT]
A software license management library for C++ projects. [Apache-2.0]
A lightweight, portable, and easy to integrate C directory and file reader. [BSD-2-Clause]
Higher level programming in C, including generic data structures and polymorphism. [BSD-2-Clause] website
A C++ library for runtime polymorphism with value semantics. [Boost]
A C++ x86/x64 hooking library. [MIT]
A header-only library that allows using Qt without the need for moc. [MIT]
A unit of time defined by Facebook/Oculus for exact representation of common frame rates. [BSD]
Provides a LINQ syntax for list comprehension in C++. [Boost]
A C library for convolutional codes and Reed-Solomon error correction. [BSD-3-Clause]
A library for building and executing finite state machines, including regex and glob. [BSD-2-Clause]
A C++ library for concepts, diagnostics, and other foundational utilities.
A Small C Compiler.
Compile and execute C "scripts" in one go! [MIT]
A C compiler for LLVM. Supports C++11/14/1z C11. Developed by LLVM Team. [NCSA]
a fanatically compatible memory-safe implementation of C and C++.
A very old C compiler. Supports C99.
Developed by AMD.
Developed by Intel.
Collection of modular and reusable compiler and toolchain technologies.
MSVC, developed by Microsoft.
Watcom C, C++, and Fortran cross compilers and tools. [Sybase Open Watcom Public License]
C, C++ and Fortran compiler for SPARC and x86. Supports C++11. Available on Linux and Solaris. [OTN Developer License]
Tiny C Compiler. [LGPL]
A CISC-oriented programming language focused on creating maintainable programs.
The single instruction C compiler, compiling programs into only mov instructions. [MIT]
A simple online compiler CodeChef.
Online compiler/shell with support for various C++ compilers.
An interactive compiler with assembly output available.
Compile and Execute C++ online on Linux.
An online compiler and debugging tool which allows you to compile source code and execute it online in more than 60 programming languages.
An online compiler supporting over 70 programming languages and database systems.
An online compiler for learners and developers.
A powerful yet simple tools and platforms for educators, learners, and developers.
Online compiler which provides several compilers(Clang, GCC, MSVC) and several editors.
TIO is a family of online interpreters for an evergrowing list of practical and recreational programming languages.
An online Clang/GCC compiler with Boost available.
An online C/C++ compiler with multiple files supporting feature, GitHub(gist) integration and collaborative editing.
A simple and easy to use online C++ compiler.
A list of Debuggers from Wikipedia.
The LLDB Debugger.
An interactive template metaprogramming shell which includes the MDB metadebugger.
An open-source x64/x32 debugger for windows.
The GNOME IDE. [GPL3]
an IDE for Objective-C, C, C++, and JavaScript development built on JetBrains’ IntelliJ IDEA platform.
Cross-platform C and C++ IDE based on Eclipse CDT with additional plug-ins.
Cross-platform C and C++ IDE from JetBrains.
A free C, C++ and Fortran IDE.
Another cross-platform, free C and C++ IDE. [GPL2 with an exception for plugins]
A portable C/C++/C++11 IDE.
A fully functional C and C++ IDE based on the Eclipse platform.
A fork of Dev-C++ that comes preinstalled with new themes and modern compilers. [GPLv2] website
A family of computer integrated development environments from IBM.
A C/C++ minor mode for Emacs powered by libclang.
Cross-platform, lightweight C++ IDE with libclang integration. [MIT]
An IDE from Microsoft.
zap: - An open-source IDE from Microsoft. [MIT] website
An IDE for developing primarily with Java, but also with other languages, in particular PHP, C/C++, and HTML5.
zap: - A cross-platform C++, JavaScript and QML IDE which is part of the SDK for Qt. [GPL3 with exceptions] website
A c/c++ client/server indexer with for integration with emacs based on clang.
YouCompleteMe is a fast, as-you-type, fuzzy-search code completion engine for Vim.
An online IDE to practice C Programming where you can write, edit, and run code online.
A curated list of awesome CMake scripts, modules, and resources.
A multi-language, fast and scalable build system from Google. [Apache]
A tool to generate compilation database for clang tooling. [GPLv3]
A fast build system that encourages the creation of small, reusable modules over a variety of platforms and languages including C++ developed and used at Facebook. Written in Java. [Apache]
cross-platform build, packaging and dependency management toolchain for developing and packaging C/C++ projects. [MIT]
A fast C/C++ compiler cache. [GPLv3]
Package manager for the C programming language. [MIT]
Cross-platform free and open-source software for managing the build process of software using a compiler-independent method. [BSD]
Cmake package retrieval. [Boost] website
C/C++ Package Manager, open sourced. [MIT]
A C++ Package Manager based on CMake and Git.
High performance, open-source build system supporting highly scalable compilation, caching and network distribution.
CMake driven cross-platform package manager for C++. [BSD-2]
An open source build system meant to be both extremely fast, and, even more importantly, as user friendly as possible.
A small build system with a focus on speed.
A fast compiler cache for C/C++, with cross-platform support and cloud backed storage options.
A software construction tool configured with a Python script.
Scons build system integration for Eclipse CDT.
A flexible package manager that supports multiple versions, configurations, platforms, and compilers. [Apache-2.0/MIT]
Cross-platform C++ (and other langs) Build System and Package Manager with a lot of packages available. [GPLv3]
High-performance code build system designed to give the best possible incremental build times even for very large software projects.
File-based build system that monitors in the background for changed files.
A tool configured with a Lua script to generate project files for Visual Studio, GNU Make, Xcode, Code::Blocks, and more across Windows, Mac OS X, and Linux.
C++ library manager for Windows, Linux, and MacOS. [MIT]
Python-based framework for configuring, compiling and installing applications. [BSD] website
A C/C++ cross-platform build utility based on Lua that comes with an integrated package manager, xrepo. [Apache]
CMake modules for Boost libraries. [BSD-3-Clause]
A collection of useful CMake examples for various scenarios. [MIT]
A tool for static C/C++ code analysis. - source
Simplifies managing a complex C/C++ code base by analyzing and visualizing code dependencies, by defining design rules, by doing impact analysis, and comparing different versions of the code.
A C++ style checker following Google's C++ style guide.
A tool for bug detection in the source code of programs, written in C, C++ and C#.
Tool to check C++ #include dependencies (dependency graphs created in .dot format). [Apache]
A tool for use with clang to analyze includes in C and C++ source files. website
A static source code analysis tool to improve quality and reduce defects for C, C++ and Objective-C. - source
A source code analysis tool that finds bugs in C, C++, and Objective-C programs.
Eclipse CDT integration of Pc-/FlexeLint.
Static analyzer for C/C++ based on the theory of Abstract Interpretation. [NOSA 1.3]
A list of tools for static code analysis from Wikipedia.
Inspect missed Clang optimizations.
Toolkit to check, test, merge, and monitor code.
An open-source code comprehension tool for large C/C++ projects. [GPL-3.0]
An analyzer tooling, defect database and viewer extension for the Clang Static Analyzer and Clang-Tidy. [Apache-2.0]
A tool to format C/C++/C#/Obj-C/Java code. Also known as astyle.
A tool to format C/C++/Obj-C code.
Clang-based C++ linter tool.
EditorConfig helps maintain consistent coding styles across different editors and IDEs.
Code beautifier.
CppCon 2023 Presentation Materials.
CppCon 2022 Presentation Materials.
CppCon 2021 Presentation Materials.
CppCon 2020 Presentation Materials.
CppCon 2019 Presentation Materials.
CppCon 2018 Presentation Materials.
CppCon 2017 Presentation Materials.
CppCon 2016 Presentation Materials.
CppCon 2015 Presentation Materials.
CppCon 2014 Presentation Materials.
Presentation materials presented at C++Now 2023.
Presentation materials presented at C++Now 2022.
Presentation materials presented at C++Now 2021.
Presentation materials presented at C++Now 2019.
Presentation materials presented at C++Now 2018.
Presentation materials presented at C++Now 2017.
Presentation materials presented at C++Now 2016.
Presentation materials presented at C++Now 2015.
Presentation materials presented at C++Now 2014.
Presentation materials presented at C++Now 2013.
Presentation materials presented at C++Now 2012.
Descriptions of C++17 features, presented mostly in "Tony Tables".
A reference of all C++20 core language features with examples.
A comparison of the memory footprint of various GUI toolkits.
A comprehensive list of C++ UI solutions.
A short description of the C++ compilation process.
A list of books on C++17.
A cheatsheet of modern C++ language and library features.
An article about when to use C++ instead of C.
A comprehensive list of C++17 features.
A curated list of open source books for learning C programming.
vhf/free-programming-books/C.
Collaborative Collection of C++ Best Practices.
"Official" set of C++ guidelines, reviewed by the author of C++.
The Chromium Projects > For Developers > Coding Style > C++ Dos and Don'ts.
Style guides for Google-originated open-source projects.
C++ coding standards and best practices.
Coding standards for the LLVM project.
Catalog of C++ conferences
zap: - The C++ conference.
CppCon 2014 talk by Vittorio Romeo.
Meeting C++ YouTube Channel
A collection of detailed C Programming Language Tutorials for Beginners and New Programmers.
by VoidRealms.
by VoidRealms.
TheNewBoston Official Buckys C++ Programming Tutorials Playlist.
These are all of thenewboston's C++ programming tutorials.
Official Playlist for thenewboston C++ GUI with Qt tutorials.
An all-in-one playlist of tutorials for C programming.
All of TheNewBoston's C programming tutorials are right here.
Boost Library, C++ Standard Library, Modern C++, Advanced C++, Advanced STL, ...
Extensive C++ tutorial series by The Cherno.
A complete C++ course covering everything from fundamentals to software design.
zap: - News, Status & Discussion about Standard C++.
Compare C++ Builds.
Quick C++ Benchmarks.
The C++ Conference.
A complete online reference for the C and C++ languages and standard libraries.
A site that lists C++ features and their support by compilers and standard library implementations in an accessible way.
Learn C++ by Example.
The C++ Resources Network.
C frequently asked questions.
C++ frequently asked questions.
C++ frequently questioned answers.
A simple online quiz that you can use to test your knowledge of the C++ programming language.
A regular series of C++ programming problems created and written by Herb Sutter.
PVS-Studio’s C++ quiz in which you're asked to find errors in code fragments of open source projects.
Every business day hints about most often C++ mistakes and ways to solve them from PVS-Studio Team.
A user ranked online tutorial bank site displaying multiple courses to learn C++ from.
A comprenhensive tutorial on C++ curated by trained experts.
A comprehensive tutorial on modern C++ covering everything from fundamentals to software design.
Online C++ compiler and interactive code execution environment.
A collection of C++ resources including books, articles, and tools.
A repository of modern C++ patterns and idioms. website
A guide to understanding function pointers in C/C++.
Coding For Speed DOT COM, Less Execution Time.
Will It Optimize?
by Arne Mertz
by Jonathan Boccara
by Martin Vorbrodt
by Jonathan Müller
Dev blog from the Microsoft Visual C++ team
Algorithms & Data Structures in C++.
C algorithms library.
30 Seconds of C++ (STL in C++). Read More about 30C++ here 👉 (archived)
A curated list of resources related to LD_PRELOAD.
A curated list of static analysis tools for all programming languages.
A list of materials and links for C++ functional programming.
Implementation of algorithms and data structures in C++.
rust-unofficial/awesome-rust
A curated list of Rust code and resources.
jaywcjlove/awesome-mac
This project is dedicated to collecting high-quality macOS software and organizing them systematically by different categories for easy search and use.
vinta/awesome-python
Curated Python frameworks, libraries and resources.
avelino/awesome-go
Curated Go frameworks and libraries.
ziadoz/awesome-php
A curated list of amazingly awesome PHP libraries, resources and shiny things.
akullpp/awesome-java
A curated list of awesome frameworks, libraries and software for the Java programming language.