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awesome-c

Continuing the development of awesome-c list on GitHub
https://github.com/inputsh/awesome-c

Last synced: 1 day ago
JSON representation

  • Learning, Reference and Tutorials ##

  • Graphics ##

    • Resources ###

      • Clutter - UI library based on OpenGL. [`GNU LGPL2.1`](http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html)
      • giflib - Library for reading and writing gif images. [`MIT`](https://spdx.org/licenses/MIT.html)
      • Cairo - 2D graphics library. [`GNU LGPL2.1`](http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html) or [`MPLv1.1`](https://directory.fsf.org/wiki/License:MPL-1.1)
      • Cogl - GPU graphics and utilities API. [`Expat`](https://directory.fsf.org/wiki/License:Expat)
      • libimagequant - Small, portable library for high-quality conversion of RGBA images to 8-bit indexed colour images. [`FreeBSD`](https://directory.fsf.org/wiki?title=License:FreeBSD)
      • libjpeg-turbo - Faster library for reading and writing JPEG files. [`Various Licenses`](https://libjpeg-turbo.org/About/License)
      • libpng - The official PNG reference library. [`libpng license`](http://www.libpng.org/pub/png/src/libpng-LICENSE.txt)
      • libxmi - Function library for rasterizing 2D vector graphics. [`GNU GPL3 or later`](http://www.gnu.org/licenses/gpl-3.0.html)
      • libpng - The official PNG reference library. [`libpng license`](http://www.libpng.org/pub/png/src/libpng-LICENSE.txt)

    • Graphic APIs ###

      • OpenGL - Industry adopted 2D and 3D graphics API. More resources at [awesome-opengl](https://github.com/eug/awesome-opengl).
      • OpenGL ES - Industry adopted 2D and 3D graphics API for mobile and embedded devices.
      • OpenGL SC - Graphic and compute standard for industry requiring system safety certification.
      • Vulkan - Explicit graphic and compute API for modern cross-platform development. More resources at [awesome-vulkan](https://github.com/vinjn/awesome-vulkan).
      • Vulkan - Explicit graphic and compute API for modern cross-platform development. More resources at [awesome-vulkan](https://github.com/vinjn/awesome-vulkan).

  • Build Systems ##

    • aimake - Build tool designed to avoid complex configurations. [`GNU GPL3 or later`](http://www.gnu.org/licenses/gpl-3.0.html)
    • Autoconf - Extensible package of M4 macros that produce shell scripts to automatically configure software source code packages. Part of the Autotools. [`GNU GPL3 or later`](http://www.gnu.org/licenses/gpl-3.0.html)
    • Automake - Tool for automatically generating `Makefile.in` files compliant with the GNU Coding Standards. Requires the use of Autoconf. Part of the Autotools. [`GNU GPL3 or later`](http://www.gnu.org/licenses/gpl-3.0.html)
    • CMake - Tools for cross-platform building, testing, and packaging. [`3-clause BSD`](https://gitlab.kitware.com/cmake/cmake/raw/master/Copyright.txt)
    • Jam - Build system, designed to be easier than make. Understands C build rules implicitly. [`Jam License`](https://en.wikipedia.org/wiki/Perforce_Jam#License)
    • Libtool - Generic library support script. Part of the Autotools. [`GNU GPL3 or later`](http://www.gnu.org/licenses/gpl-3.0.html)
    • Meson - Extremely fast, user-friendly build system. Based on Ninja. [`Apache 2.0`](https://directory.fsf.org/wiki/License:Apache-2.0)
    • SCons - An easier, more reliable and faster way to build software. [`MIT`](https://raw.githubusercontent.com/atom/atom/master/LICENSE.md)
    • Bazel - Build system for various operating systems and targets. [`Apache 2.0`](https://directory.fsf.org/wiki/License:Apache-2.0)
    • Buck - Build system created and used by Facebook. [`Apache 2.0`](https://directory.fsf.org/wiki/License:Apache-2.0)
    • Qbs - Modern build tool for software projects. [`LGPL3`](https://code.qt.io/cgit/qbs/qbs.git/tree/LICENSE.LGPLv3)
    • qmake - Build system included with the Qt Framework. [`GNU GPL3 with Qt Exception`](https://github.com/qt/qtbase/blob/5.11/LICENSE.GPL3-EXCEPT)
    • xmake - Cross-platform build utility based on lua. [`Apache 2.0`](https://github.com/xmake-io/xmake/blob/master/LICENSE.md )
    • Jam - Build system, designed to be easier than make. Understands C build rules implicitly. [`Jam License`](https://en.wikipedia.org/wiki/Perforce_Jam#License)
    • Premake - Build script generator for toolsets like Visual Studio, Xcode, or GNU Make. [`3-clause BSD`](https://directory.fsf.org/wiki/License:BSD-3-Clause)
    • Ninja - Small, simple build system with a focus on speed. [`Apache 2.0`](https://directory.fsf.org/wiki/License:Apache-2.0)

  • Compilers ##

    • Clang - C compiler for LLVM. Supports C11. [`NCSA`](https://directory.fsf.org/wiki/License:NCSA)
    • CompCert - Fully-verified C compiler. Supports almost all of C89. [`GNU GPL2.1 or later`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
    • GCC - Provides a C compiler as part of its compiler set. Supports C11 and OpenMP. [`GNU GPL3 or later`](http://www.gnu.org/licenses/gpl-3.0.html)
    • PCC - Venerable C compiler. Supports C99. [`Various free licenses`](http://pcc.ludd.ltu.se/licenses/)
    • TCC - Tiny C Compiler; a small, fast C compiler. Supports C99 (except complex types). [`GNU LGPL2.1`](http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html)
    • Intel SPMD - Compiler for a variant of the C language, for single program, multiple data programming. [`Various licenses`](https://github.com/ispc/ispc/blob/master/LICENSE.txt)
    • ccache - Compiler cache designed to speedup recompilation. [`GNU GPL3 or later`](https://ccache.dev/license.html)
    • Clang - C compiler for LLVM. Supports C11. [`NCSA`](https://directory.fsf.org/wiki/License:NCSA)
    • CompCert - Fully-verified C compiler. Supports almost all of C89. [`GNU GPL2.1 or later`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
    • Intel SPMD - Compiler for a variant of the C language, for single program, multiple data programming. [`Various licenses`](https://github.com/ispc/ispc/blob/master/LICENSE.txt)
    • Clang - C compiler for LLVM. Supports C11. [`NCSA`](https://directory.fsf.org/wiki/License:NCSA)
    • CompCert - Fully-verified C compiler. Supports almost all of C89. [`GNU GPL2.1 or later`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)

  • Compiler libraries ##

    • yasm - Yasm Modular Assembler Project. [`2-clause BSD`](https://directory.fsf.org/wiki/License:BSD-2-Clause)

  • Compression ##

    • libzip - A C library for reading, creating, and modifying zip archives. [`3-clause BSD`](https://directory.fsf.org/wiki/License:BSD-3-Clause)
    • lzo - Very fast data compression library. [`GNU GPL2.1`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
    • zlib - Massively-spiffy yet delicately-unobtrusive compression library. [`3-clause BSD`](https://directory.fsf.org/wiki/License:BSD-3-Clause)
    • bzip2 - Patent free, high quality data compressor. [`3-clause BSD`](https://directory.fsf.org/wiki/License:BSD-3-Clause)
    • lz4 - Fast Compression algorithm.
    • quicklz - Fast compression library. [`GNU GPL2.1`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
    • lz4 - Fast Compression algorithm.

  • Crypto ##

    • libgcrypt - General-purpose cryptography library, with a range of available ciphers. [`GNU LGPL2.1or later (code)`](http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html) and [`GNU GPL2.1 or later (manual and tools)`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
    • libsodium - Modern and easy-to-use crypto library. [`Expat`](https://directory.fsf.org/wiki/License:Expat)
    • libtomcrypt - Fairly comprehensive, modular and portable cryptographic toolkit. [`Public Domain`](https://creativecommons.org/share-your-work/public-domain/)
    • mbed TLS - Another crypto implementation for C. [`Apache 2.0`](https://directory.fsf.org/wiki/License:Apache-2.0)
    • libressl - Modernized fork of OpenSSL. [`Various Licenses`](https://cvsweb.openbsd.org/cgi-bin/cvsweb/~checkout~/src/lib/libssl/LICENSE?rev=1.12)
    • libsodium - Modern and easy-to-use crypto library. [`Expat`](https://directory.fsf.org/wiki/License:Expat)
    • mbed TLS - Another crypto implementation for C. [`Apache 2.0`](https://directory.fsf.org/wiki/License:Apache-2.0)
    • libsodium - Modern and easy-to-use crypto library. [`Expat`](https://directory.fsf.org/wiki/License:Expat)

  • Database ##

    • BerkeleyDB - Library for a high-performance embedded database for key-value data. [`GNU AGPLv3`](https://www.gnu.org/licenses/agpl-3.0.html)
    • MariaDB - Robust, scalable and reliable SQL server, designed to be a drop-in replacement for MySQL. [`3-clause BSD`](https://directory.fsf.org/wiki/License:BSD-3-Clause)
    • mongo-c-driver - High-performance client library for [MongoDB](https://www.mongodb.com/). [`Apache 2.0`](https://directory.fsf.org/wiki/License:Apache-2.0)
    • PostgreSQL - Powerful object-relational database system. [`PostgreSQL licence`](https://opensource.org/licenses/postgresql)
    • recutils - Set of tools and a C library for accessing human-editable, plaintext database files called recfiles. [`GNU GPL3 or later`](http://www.gnu.org/licenses/gpl-3.0.html)
    • Redis - Advanced key-value store. [`3-clause BSD`](https://directory.fsf.org/wiki/License:BSD-3-Clause)
    • sophia - Modern, embeddable key-value database. [`FreeBSD`](https://directory.fsf.org/wiki?title=License:FreeBSD)
    • SQLite - Self-contained, serverless, zero-configuration, transactional SQL database engine with a C interface. [`Public Domain`](https://creativecommons.org/share-your-work/public-domain/)
    • UnQLite - Self-contained, serverless, zero-configuration, transactional NoSQL engine with a C interface. [`FreeBSD`](https://directory.fsf.org/wiki?title=License:FreeBSD)

  • Deep Learning ##

    • Darknet - Open source neural network framework written in C and CUDA. It is fast, easy to install, and supports CPU and GPU computation.

  • Documentation Generation ##

    • Cxref - Generates documentation of C programs in either LaTeX, HTML, RTF or SGML. [`GNU GPL2.1`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
    • DocOnce - Modestly-tagged markup language that can be used to generate a range of formats. [`3-clause BSD`](https://directory.fsf.org/wiki/License:BSD-3-Clause)
    • Doxygen - The de-facto standard tool for generating C documentation from annotated sources. Can generate a large range of formats. [`GNU GPL2.1`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
    • GTK-Doc - Tool for generating C documentation from annotated sources. Has support for the Autotools. [`GNU GPL2.1 (code)`](http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html) or [`GNU FDL1.1`](https://www.gnu.org/licenses/old-licenses/fdl-1.1.html)
    • Doxygen - The de-facto standard tool for generating C documentation from annotated sources. Can generate a large range of formats. [`GNU GPL2.1`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)

  • Editors ##

    • Anjuta DevStudio - The GNOME IDE. [`GNU GPL2.1`](http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html)
    • Atom - Hackable text editor for the 21st century. [`MIT`](https://raw.githubusercontent.com/atom/atom/master/LICENSE.md)
    • Code::Blocks - Extensible, configurable IDE supporting C. [`GNU GPL3`](http://www.gnu.org/licenses/gpl-3.0.html)
    • CodeLite - Cross-platform IDE. [`GNU GPL2.1`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
    • Eclipse - IDE written in Java. [`EPL`](https://directory.fsf.org/wiki/License:EPL-1.0)
    • Geany - Very small and fast IDE. [`GNU GPL2.1 or later`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
    • KDevelop - The KDE IDE. [`GNU GPL2.1`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
    • Qt Creator - Cross-platform IDE written with C++ and Qt, part of the Qt SDK. Supports Clang Code Model. [`GNU GPL3 with Qt exception`](https://github.com/qt-creator/qt-creator/blob/master/LICENSE.GPL3-EXCEPT)
    • Visual Studio Code - Code editing, redefined. Visual Studio Code.
    • Atom - Hackable text editor for the 21st century. [`MIT`](https://raw.githubusercontent.com/atom/atom/master/LICENSE.md)
    • Code::Blocks - Extensible, configurable IDE supporting C. [`GNU GPL3`](http://www.gnu.org/licenses/gpl-3.0.html)
    • Eclipse - IDE written in Java. [`EPL`](https://directory.fsf.org/wiki/License:EPL-1.0)
    • KDevelop - The KDE IDE. [`GNU GPL2.1`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
    • Qt Creator - Cross-platform IDE written with C++ and Qt, part of the Qt SDK. Supports Clang Code Model. [`GNU GPL3 with Qt exception`](https://github.com/qt-creator/qt-creator/blob/master/LICENSE.GPL3-EXCEPT)
    • Code::Blocks - Extensible, configurable IDE supporting C. [`GNU GPL3`](http://www.gnu.org/licenses/gpl-3.0.html)
    • KDevelop - The KDE IDE. [`GNU GPL2.1`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
    • Eclipse - IDE written in Java. [`EPL`](https://directory.fsf.org/wiki/License:EPL-1.0)

  • Embedded Systems ##

    • RTOS ###

      • Amazon FreeRTOS - RTOS for microcontrollers that makes small, low-power edge devices easy to program. [`MIT`](https://github.com/aws/amazon-freertos/blob/master/LICENSE)
      • ChibiOS - RTOS with complete development environment (HAL, drivers, support files, and tools). [`Various Licenses`](http://www.chibios.org/dokuwiki/doku.php?id=chibios:licensing:start)
      • Contiki - Connect low-cost, low power microcontrollers to the Internet. [`3-clause BSD`](https://github.com/contiki-os/contiki/blob/master/LICENSE)
      • Zephyr Project - Scalable real-time RTOS supporting multiple hardware architectures, optimized for resource constrained devices. [`Apache 2.0`](https://directory.fsf.org/wiki/License:Apache-2.0)
      • RIOT OS - Real-time multi-threading operating system that supports a range of devices that are typically found in the Internet of Things. [`LGPL-2.1`](https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html)

  • Environments ##

    • RTOS ###

      • Cygwin - Designed to emulate a POSIX-compatible environment extensively under Windows. [`Various Licenses`](https://cygwin.com/licensing.html)
      • MinGW-w64 - Minimalist environment for C development on Windows with 64 bit support. [`Various Licenses`](http://mingw.org/license)

  • Frameworks ##

    • RTOS ###

      • APR - Apache Portable Runtime; another library of cross-platform utility functions. [`Apache 2.0`](https://directory.fsf.org/wiki/License:Apache-2.0)
      • CPL - The Common Pipeline Library; a set of libraries designed to be a comprehensive, efficient and robust software toolkit. [`GNU GPL2.1`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
      • EFL - Large collection of useful data structures and functions.
      • GLib - Library of utility functions and structures, designed to be portable, efficient and powerful. [`GNU LGPL2.1`](http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html)
      • GIO - Modern and easy-to-use VFS API. [`GNU LGPL2.1`](http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html)
      • GObject - Object-oriented system and object model for C. [`GNU LGPL2.1`](http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html)
      • libU - Small library of basic utilities, including memory allocation, string manipulation and logging. [`3-clause BSD`](https://directory.fsf.org/wiki/License:BSD-3-Clause)
      • PBL - Large library of utilities, featuring data structures, among other things. [`GNU LGPL2.1 or later (library)`](http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html) or [`GNU GPL2.1 or later (test code)`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
      • libsrt - Safe Real-Time library for C. [`3-clause BSD`](https://directory.fsf.org/wiki/License:BSD-3-Clause)
      • APR - Apache Portable Runtime; another library of cross-platform utility functions. [`Apache 2.0`](https://directory.fsf.org/wiki/License:Apache-2.0)
      • GIO - Modern and easy-to-use VFS API. [`GNU LGPL2.1`](http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html)
      • GObject - Object-oriented system and object model for C. [`GNU LGPL2.1`](http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html)

  • Game Programming ##

    • Engines ###

      • Darkplaces - Modified version of the Quake2 engine. [`GNU GPL2.1`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
      • ioquake3 - The Quake3 engine, freed at last. [`GNU GPL2.1`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
      • Orx - Portable, lightweight, plugin-based, data-driven, 2D-oriented game engine. [`zlib`](https://directory.fsf.org/wiki/License:Zlib)
      • Spearmint - Engine designed for FPS games. [`GNU GPL3 or later`](http://www.gnu.org/licenses/gpl-3.0.html)

    • Resources ###

      • Allegro - Cross-platform, video game development and multimedia library. [`zlib`](https://directory.fsf.org/wiki/License:Zlib)
      • Chipmunk2D - Fast and lightweight 2D game physics library. [`Expat`](https://directory.fsf.org/wiki/License:Expat)
      • CSFML - Binding for [SFML](https://www.sfml-dev.org/index.php) in C. [`zlib`](https://directory.fsf.org/wiki/License:Zlib)
      • FreeGLUT - Alternative to the OpenGL Utility Toolkit. Allows the creation and management of windows with OpenGL contexts. [`X11`](https://directory.fsf.org/wiki/License:X11)
      • GLFW - Multi-platform library for creating windows with OpenGL contexts. [`zlib`](https://directory.fsf.org/wiki/License:Zlib)
      • libao - Cross-platform audio library with a wide variety of outputs. [`GNU GPL2.1 or later`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
      • RetroArch - The reference frontend for [libretro](https://www.libretro.com/). [`GNU GPL3`](http://www.gnu.org/licenses/gpl-3.0.html)
      • SDL and SDL2 - Cross-platform development library designed to provide low-level access to audio, keyboard, mouse, joystick and graphics hardware via OpenGL. SDL2 is the most current version. [`zlib`](https://directory.fsf.org/wiki/License:Zlib)
      • raylib - Simple and easy-to-use library to learn videogames programming. [`zlib`](https://directory.fsf.org/wiki/License:Zlib)
      • FreeGLUT - Alternative to the OpenGL Utility Toolkit. Allows the creation and management of windows with OpenGL contexts. [`X11`](https://directory.fsf.org/wiki/License:X11)

  • Graphical User Interface ##

    • Graphic APIs ###

      • widget toolkits
      • GTK+ - Cross-platform widget toolkit. [`GNU LGPL2.1`](http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html)
      • IUP - Another cross-platform widget toolkit. [`Expat`](https://directory.fsf.org/wiki/License:Expat)
      • Tk - Basic widget toolkit. Part of Tcl/Tk. [`Tcl/Tk License`](http://www.tcl.tk/software/tcltk/license.html)
      • XForms Toolkit - Widget toolkit designed for the XWindow system. [`GNU LGPL2.1`](http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html)

  • Hashing ##

    • Graphic APIs ###

      • xxHash - Extremely fast non-cryptographic hash algorithm. [`2-clause BSD`](https://directory.fsf.org/wiki/License:BSD-2-Clause)
      • xxHash - Extremely fast non-cryptographic hash algorithm. [`2-clause BSD`](https://directory.fsf.org/wiki/License:BSD-2-Clause)
      • t1ha - Fast Positive Hash library. [`zlib`](https://directory.fsf.org/wiki/License:Zlib)

  • Image Processing ##

    • Graphic APIs ###

      • libccv - Modern Computer Vision Library. [`3-clause BSD`](https://directory.fsf.org/wiki/License:BSD-3-Clause)
      • libccv - Modern Computer Vision Library. [`3-clause BSD`](https://directory.fsf.org/wiki/License:BSD-3-Clause)

  • JSON ##

    • Graphic APIs ###

      • Jansson - C library for encoding, decoding and manipulating JSON. [`Expat`](https://directory.fsf.org/wiki/License:Expat)
      • jsmn - Minimalistic JSON parser. [`Expat`](https://directory.fsf.org/wiki/License:Expat)
      • json-c - Library for working with JSON. [`Expat`](https://directory.fsf.org/wiki/License:Expat)
      • WJElement - Advanced JSON manipulation library, with support for JSON Schema. [`LGPL, any version`](https://github.com/netmail-open/wjelement/)
      • Jansson - C library for encoding, decoding and manipulating JSON. [`Expat`](https://directory.fsf.org/wiki/License:Expat)

  • Macros ##

    • Physical ###

      • P99 - Suite of macros to implement advanced features like default function arguments, scope-bound resources, etc. (Requires C99) [`Q Public License`](https://tldrlegal.com/license/q-public-license-1.0-(qpl-1.0)#summary)
      • P99 - Suite of macros to implement advanced features like default function arguments, scope-bound resources, etc. (Requires C99) [`Q Public License`](https://tldrlegal.com/license/q-public-license-1.0-(qpl-1.0)#summary)

  • Memory Allocators ##

    • Physical ###

      • jemalloc - General purpose malloc(3) implementation that emphasizes fragmentation avoidance and scalable concurrency support, commonly used in production systems. [`FreeBSD`](https://directory.fsf.org/wiki?title=License:FreeBSD)
      • dlmalloc - Doug Lea's malloc(3) implementation, useful for academic and research purposes. [`Public Domain`](https://creativecommons.org/share-your-work/public-domain/)
      • Hoard - A Fast, Scalable, and Memory-efficient Malloc for Linux, Windows, Mac, and Solaris. [`GNU GPL2`](http://www.gnu.org/licenses/gpl-3.0.html)
      • nedmalloc - An EXTREMELY FAST portable thread caching malloc(3) implementation written in C. [`GNU GPL2`](http://www.gnu.org/licenses/gpl-3.0.html)
      • rpmalloc - Cross platform, lock-free memory allocator. [`Public Domain`](https://creativecommons.org/share-your-work/public-domain/)
      • nedmalloc - An EXTREMELY FAST portable thread caching malloc(3) implementation written in C. [`GNU GPL2`](http://www.gnu.org/licenses/gpl-3.0.html)
      • rpmalloc - Cross platform, lock-free memory allocator. [`Public Domain`](https://creativecommons.org/share-your-work/public-domain/)

  • Multimedia ##

    • Physical ###

      • FFMPEG - Complete, cross-platform solution to record, convert and stream audio and video. [`GNU LGPL2.1 or later`](http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html) or [`GNU GPL2.1 or later (some parts)`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
      • GStreamer - Framework for audio and visual media. [`GNU LGPL2.1`](http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html)
      • lodepng - Simple PNG image decoder and encoder, requiring no other dependencies. [`3-clause BSD`](https://directory.fsf.org/wiki/License:BSD-3-Clause)
      • libsoup - GNOME HTTP client/server library. Uses GObject. [`GNU LGPL2.1`](http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html)
      • libmpv - Music-playing library. Compile with ``./waf configure --disable-cplayer --enable-libmpv-shared`` to not have the music player. [`GNU GPL2.1 or later`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
      • libsoundio - Library for cross-platform, real-time audio input and output. Has a range of back-ends. [`Expat`](https://directory.fsf.org/wiki/License:Expat)

  • Networking and Internet ##

    • Physical ###

      • asnlc - Compiler of ASN.1 specifications into C source code. [`FreeBSD`](https://directory.fsf.org/wiki?title=License:FreeBSD)
      • czmq - High-level binding for ZeroMQ. [`MPL2.0`](https://www.gnu.org/licenses/license-list.html#MPL-2.0)
      • GNU adns - Advanced, easy-to-use, asynch-capable DNS client library and utilities. [`GNU GPL3 or later`](http://www.gnu.org/licenses/gpl-3.0.html)
      • GNU SASL - Implementation of the Simple Authentication and Security Layer and a few common SASL mechanism. [`GNU GPL3 or later`](http://www.gnu.org/licenses/gpl-3.0.html)
      • ldns - Library to simplify DNS programming. [`3-clause BSD`](https://directory.fsf.org/wiki/License:BSD-3-Clause)
      • libcurl - Client-side URL transfer library, supporting a wide range of formats. [`curl license`](https://curl.haxx.se/docs/copyright.html)
      • LibEtPan - Mail library providing an efficient network for IMAP, SMTP, POP and NNTP. [`3-clause BSD`](https://directory.fsf.org/wiki/License:BSD-3-Clause)
      • libev - Yet another event loop. [`FreeBSD`](https://directory.fsf.org/wiki?title=License:FreeBSD)
      • libuv - Cross-platform asynchronous I/O. [`Expat`](https://directory.fsf.org/wiki/License:Expat)
      • libevent - Event loop replacement for network servers. [`3-clause BSD`](https://directory.fsf.org/wiki/License:BSD-3-Clause)
      • libgss - Generic Security Service. [`GNU GPL3 or later`](http://www.gnu.org/licenses/gpl-3.0.html)
      • libhttpd - Library to add basic web server capabilities to an application or embedded device. [`GNU GPL2`](http://www.gnu.org/licenses/gpl-3.0.html)
      • libidn - Implementation of the Stringprep, Punycode and IDNA specifications. [`GNU GPL3 or later`](http://www.gnu.org/licenses/gpl-3.0.html)
      • libmicrohttpd - Small C library that makes it easy to run an HTTP server as part of another application. [`GNU LGPL2.1 or later`](http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html)
      • lwan - Experimental, scalable, high-performance HTTP server. [`GNU GPL2.1`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
      • mongoose - Embedded web server for C. [`GNU GPL2.1`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
      • oSip - SIP implementation in C without additional dependencies. [`GNU LGPLv2.1 or later`](http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html)
      • Tox - Communication platform, designed to be a Skype-killer. [`GNU GPL3`](http://www.gnu.org/licenses/gpl-3.0.html)
      • libcurl - Client-side URL transfer library, supporting a wide range of formats. [`curl license`](https://curl.haxx.se/docs/copyright.html)
      • libuv - Cross-platform asynchronous I/O. [`Expat`](https://directory.fsf.org/wiki/License:Expat)
      • libevent - Event loop replacement for network servers. [`3-clause BSD`](https://directory.fsf.org/wiki/License:BSD-3-Clause)
      • s2n - C99 implementation of the TLS/SSL protocols, designed to be simple, fast and with security as a priority. [`Apache 2.0`](https://directory.fsf.org/wiki/License:Apache-2.0)
      • librg - Library for building simple and elegant cross-platform mmo client-server solutions. [`Apache 2.0`](https://directory.fsf.org/wiki/License:Apache-2.0)
      • GnuTLS - Secure communication library, implementing SSL, TLS and DTLS. [`GNU LGPL2.1 or later`](http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html)
      • OpenSSL - Implementation of the SSL and TLS protocols, and also includes a cryptography library. [`Dual Licensed under the OpenSSL License and the SSLeay License`](https://www.openssl.org/source/license.html)

    • Web Frameworks ###

      • balde - Microframework for C based on GLib. [`GNU LGPLv2.1`](http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html)
      • onion - C library to create simple HTTP servers and Web Applications. [`Apache 2.0`](https://directory.fsf.org/wiki/License:Apache-2.0)
      • kore - Easy to use, scalable and secure web application framework for writing web APIs in C.
      • klone - KLone is a fully-featured, multiplatform, web application development framework.
      • duda - Duda I/O is an event-driven and high performant web services framework written in C. [`Apache 2.0`](https://directory.fsf.org/wiki/License:Apache-2.0)

  • Numerical ##

    • Web Frameworks ###

      • apophenia - Library for statistical and scientific computing. [`GNU GPL2.1`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
      • ATLAS - Automatically Tuned Linear Algebra Software. [`3-clause BSD`](https://directory.fsf.org/wiki/License:BSD-3-Clause)
      • BLAS - Basic Linear Algebra Subprograms; a set of routines that provide vector and matrix operations. [`BLAS license`](http://www.netlib.org/blas/#_licensing)
      • CDFLIB - Library with routines to evaluate cumulative density functions fo a variety of standard probability distributions. Also can compute one parameter of the CDF given the others. (No license given)
      • Cuba - Library for multidimensional numerical integration. [`GNU LGPLv3`](http://www.gnu.org/licenses/lgpl-3.0.html)
      • FFTW - The Fastest Fourier Transform in the West; a highly-optimized fast Fourier transform routine. [`GNU GPL2.1 or later`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
      • FLINT - Fast Library for Number Theory; a library supporting arithmetic with numbers, polynomials, power series and matrices, among others. [`GNU GPL2.1 or later`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
      • GLPK - GNU Linear Programming Kit; a package designed for solving large-scale linear programming, mixed integer programming and other related problems. [`GNU GPL3 or later`](http://www.gnu.org/licenses/gpl-3.0.html)
      • GMP - GNU Multple Precision Arithmetic Library; a library for arbitrary-precision arithmetic. [`GNU GPL2.1`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html) and [`GNU LGPLv3`](http://www.gnu.org/licenses/lgpl-3.0.html)
      • GNU MPC - Library for complex number arithmetic. [`GNU LGPL3 or later`](http://www.gnu.org/licenses/lgpl-3.0.html)
      • GNU MPFR - Library for arbitrary-precision floating-point arithmetic. [`GNU LGPL3 or later`](http://www.gnu.org/licenses/lgpl-3.0.html) or [`GNU LGPL2.1 or later (until version 2.4.x)`](http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html)
      • GNU MPRIA - Portable mathematics library for multi-precision rational interval arithmetic. [`GNU GPL3 or later`](http://www.gnu.org/licenses/gpl-3.0.html)
      • GSL - The GNU Scientific Library; a sophisticated numerical library. [`GNU GPL3`](http://www.gnu.org/licenses/gpl-3.0.html)
      • igraph - Library for creating and manipulating large graphs. [`GNU GPL2`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
      • KISS FFT - Very simple fast Fourier transform library. [`3-clause BSD`](https://directory.fsf.org/wiki/License:BSD-3-Clause)
      • LAPACKE - C interface to [LAPACK](http://www.netlib.org/lapack/). [`3-clause BSD`](https://directory.fsf.org/wiki/License:BSD-3-Clause)
      • PARI/GP - Computer algebra system for number theory; includes a compiler to C. [`GNU GPL2.1 or later`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
      • PETSc - Suite of data structures and routines for scalable parallel solution of scientific applications modelled by partial differential equations. [`FreeBSD`](https://directory.fsf.org/wiki?title=License:FreeBSD)
      • PROB - Library that handles various discrete and continuous probability density functions. [`GNU LGPL3`](https://people.sc.fsu.edu/~jburkardt/txt/gnu_lgpl.txt)
      • Yeppp! - Very fast, SIMD-optimized mathematical library. [`3-clause BSD`](https://directory.fsf.org/wiki/License:BSD-3-Clause)
      • ATLAS - Automatically Tuned Linear Algebra Software. [`3-clause BSD`](https://directory.fsf.org/wiki/License:BSD-3-Clause)
      • BLAS - Basic Linear Algebra Subprograms; a set of routines that provide vector and matrix operations. [`BLAS license`](http://www.netlib.org/blas/#_licensing)
      • Cuba - Library for multidimensional numerical integration. [`GNU LGPLv3`](http://www.gnu.org/licenses/lgpl-3.0.html)
      • FLINT - Fast Library for Number Theory; a library supporting arithmetic with numbers, polynomials, power series and matrices, among others. [`GNU GPL2.1 or later`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
      • GNU MPC - Library for complex number arithmetic. [`GNU LGPL3 or later`](http://www.gnu.org/licenses/lgpl-3.0.html)
      • LAPACKE - C interface to [LAPACK](http://www.netlib.org/lapack/). [`3-clause BSD`](https://directory.fsf.org/wiki/License:BSD-3-Clause)

  • Parallel Programming ##

    • Web Frameworks ###

      • cchan - Small library for channel constructs for inter-thread communication. [`Public Domain`](https://creativecommons.org/share-your-work/public-domain/)
      • ck - Concurrency primitives, safe memory reclamation mechanisms and non-blocking data structures. [`FreeBSD`](https://directory.fsf.org/wiki?title=License:FreeBSD)
      • mill - Go-style concurrency in C. [`X11`](https://directory.fsf.org/wiki/License:X11)
      • libdill - Structured concurrency in C. [`X11`](https://directory.fsf.org/wiki/License:X11)
      • MPICH - Another implementation of MPI. [`MPICH licence`](http://git.mpich.org/mpich.git/blob_plain/6aab201f58d71fc97f2c044d250389ba86ac1e3c:/COPYRIGHT)
      • OpenMP - Set of C pragmas designed to allow for easy parallelization of code. [`3-clause BSD`](https://opensource.org/licenses/BSD-3-Clause)
      • pth - Portable implementation for non-preemptive priority-based scheduling for multiple threads of execution. [`GNU GPL3 or later`](http://www.gnu.org/licenses/gpl-3.0.html)
      • pthreads - The POSIX thread library.
      • SLEPc - Software library for the solution of large, sparse eigenvalue problems on parallel computers. [`GNU LGPL3`](http://www.gnu.org/licenses/lgpl-3.0.html)
      • TinyCThread - Portable, small implementation of the C11 threads API. [`zlib`](https://directory.fsf.org/wiki/License:Zlib)
      • MPICH - Another implementation of MPI. [`MPICH licence`](http://git.mpich.org/mpich.git/blob_plain/6aab201f58d71fc97f2c044d250389ba86ac1e3c:/COPYRIGHT)

  • Parsers ##

    • Web Frameworks ###

      • libYAML - YAML 1.1 parser and emitter. [`Expat`](https://directory.fsf.org/wiki/License:Expat)

  • Regex ##

    • Web Frameworks ###

      • PCRE - Implementation of regexes identical to that of Perl 5. [`3-clause BSD`](https://directory.fsf.org/wiki/License:BSD-3-Clause)

  • Serialization ##

    • Web Frameworks ###

      • libavro - C implementation of the Avro data serialization system. [`Apache 2.0`](https://directory.fsf.org/wiki/License:Apache-2.0)
      • xdr - External Data Representation; a standard for data serialization.
      • libavro - C implementation of the Avro data serialization system. [`Apache 2.0`](https://directory.fsf.org/wiki/License:Apache-2.0)

  • Source Code Collections ##

    • Web Frameworks ###

      • CCAN - Modelled after Perl's CPAN, this is a big collection of C code that does stuff. The full list is [here](http://ccodearchive.net/list.html).
      • gnulib - Collection of common GNU code.
      • libdjb - Collection of libraries doing various things. [`(Apparently) Public Domain`](https://creativecommons.org/share-your-work/public-domain/)

  • Standard Libraries ##

    • Web Frameworks ###

      • dietlibc - C standard library designed for the smallest possible binaries. [`GNU GPL2.1`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
      • glibc - The GNU C Library; an implementation of the C standard library. [`GNU LGPL2.1`](http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html)
      • musl - Standard C library, compatible with POSIX 2008 and C11. Designed for static linking. [`Expat`](https://directory.fsf.org/wiki/License:Expat)

  • String Manipulation ##

    • Web Frameworks ###

      • bstrlib - The Better String Library. [`3-clause BSD`](https://directory.fsf.org/wiki/License:BSD-3-Clause) and [`GNU GPL2.1`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
      • ICU - International Components for Unicode; a library for Unicode support. [`ICU license`](http://source.icu-project.org/repos/icu/icu/tags/latest/LICENSE)
      • libunistring - Library for manipulating Unicode strings in C. [`GNU LGPL3`](http://www.gnu.org/licenses/lgpl-3.0.html)
      • libgiconv - Text conversion library. [`GNU LGPL2.1 (library)`](http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html) or [`GNU GPL3 (*iconv* program)`](http://www.gnu.org/licenses/gpl-3.0.html)
      • bstrlib - The Better String Library. [`3-clause BSD`](https://directory.fsf.org/wiki/License:BSD-3-Clause) and [`GNU GPL2.1`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
      • ICU - International Components for Unicode; a library for Unicode support. [`ICU license`](http://source.icu-project.org/repos/icu/icu/tags/latest/LICENSE)

  • Testing ##

    • Web Frameworks ###

      • CHEAT - Very simple unit testing framework. [`FreeBSD`](https://directory.fsf.org/wiki?title=License:FreeBSD)
      • cmocka - Unit testing framework with support for mock objects. [`Apache 2.0`](https://directory.fsf.org/wiki/License:Apache-2.0)
      • Criterion - KISS, non-intrusive C test framework. [`Expat`](https://directory.fsf.org/wiki/License:Expat)
      • CUnit - Another unit testing framework for C. [`GNU LGPL2.0`](http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html)
      • CUnit - Another unit testing framework for C. [`GNU LGPL2.0`](http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html)

  • Text Editor Extensions ##

    • Emacs ###

      • CEDET - Collection of Emacs Development Environment Tools; designed to provide IDE-like features to Emacs. Built-in. [`GNU GPL3 or later`](http://www.gnu.org/licenses/gpl-3.0.html)
      • CEDET - Collection of Emacs Development Environment Tools; designed to provide IDE-like features to Emacs. Built-in. [`GNU GPL3 or later`](http://www.gnu.org/licenses/gpl-3.0.html)

    • Atom ###

      • linter-gcc - Lint C code in Atom, using GCC. [`MIT`](https://raw.githubusercontent.com/atom/atom/master/LICENSE.md)

    • Vim ###

      • YouCompleteMe - Code completion engine for Vim. [`GNU GPL3`](http://www.gnu.org/licenses/gpl-3.0.html)

  • Tools ##

    • Vim ###

      • Artistic Style - Fast and small automatic source code formatter that supports C. [`GNU LGPL3`](http://www.gnu.org/licenses/lgpl-3.0.html)
      • CBMC - C Bounded Model Checker; a tool for verification of array bounds, pointer safety and user-specified assertions. [`Original BSD`](https://directory.fsf.org/wiki/License:BSD-4-Clause)
      • cdecl - Online service to translate C declarations into English and vice versa. [`Public Domain`](https://creativecommons.org/share-your-work/public-domain/)
      • cinclude2dot - Graphs include dependencies in a C project using Graphviz. [`Any GNU GPL version (due to underspecification in the file)`](https://directory.fsf.org/wiki/Cinclude2dot#tab=Details)
      • Complexity - Tool for measuring the complexity of C source code. [`GNU GPL3 or later`](http://www.gnu.org/licenses/gpl-3.0.html)
      • CScout - Source code analyzer and refactoring browser for collections of C programs. [`GNU GPL3`](http://www.gnu.org/licenses/gpl-3.0.html)
      • DDD - Graphical front-end for a range of command-line debuggers. [`GNU GPL3 or later`](http://www.gnu.org/licenses/gpl-3.0.html)
      • GDB - The GNU Project debugger; a debugger for C. [`GNU GPL3 or later`](http://www.gnu.org/licenses/gpl-3.0.html)
      • Glade - RAD tool to enable quick development of GTK+ GUIs. [`GNU GPL2.1`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
      • GMSL - GNU Make Standard Library; a collection of additional functionality for GNU Make. [`3-clause BSD`](https://directory.fsf.org/wiki/License:BSD-3-Clause)
      • GNU Global - Source code tagging tool which works with C. [`GNU GPL3`](http://www.gnu.org/licenses/gpl-3.0.html)
      • gprof - Performance analysis tool. Part of GNU binutils. [`GNU GPL3 or later`](http://www.gnu.org/licenses/gpl-3.0.html)
      • Highlight - Converts source code to formatted text with nice highlighting. [`GNU GPL3`](http://www.gnu.org/licenses/gpl-3.0.html)
      • indent - Formats C source code automatically to make it easier to read. Also converts from one style of source to another. [`GNU GPLv3 or later`](http://www.gnu.org/licenses/gpl-3.0.html)
      • rr - Debugger that records non-deterministic executions to allow for deterministic debugging. [`FreeBSD`](https://directory.fsf.org/wiki?title=License:FreeBSD)
      • tup - Very fast, file-based, cross-platform build system. [`GNU GPL2.1`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
      • unifdef - Removes #ifdef and #if directives with their delimited text without touching any other part of the file. [`3-clause BSD`](https://directory.fsf.org/wiki/License:BSD-3-Clause) and [`FreeBSD`](https://directory.fsf.org/wiki?title=License:FreeBSD)
      • Valgrind - Range of dynamic analysis tools, including a leak checker. [`GNU GPL2.1`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
      • Artistic Style - Fast and small automatic source code formatter that supports C. [`GNU LGPL3`](http://www.gnu.org/licenses/lgpl-3.0.html)
      • GMSL - GNU Make Standard Library; a collection of additional functionality for GNU Make. [`3-clause BSD`](https://directory.fsf.org/wiki/License:BSD-3-Clause)
      • tup - Very fast, file-based, cross-platform build system. [`GNU GPL2.1`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
      • unifdef - Removes #ifdef and #if directives with their delimited text without touching any other part of the file. [`3-clause BSD`](https://directory.fsf.org/wiki/License:BSD-3-Clause) and [`FreeBSD`](https://directory.fsf.org/wiki?title=License:FreeBSD)
      • Valgrind - Range of dynamic analysis tools, including a leak checker. [`GNU GPL2.1`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)

  • Utilities ##

    • Vim ###

      • ApeTagLibs - C library for working with APEv2 tags. [`Expat`](https://directory.fsf.org/wiki/License:Expat)
      • bfd - Library for manipulating binary object files. Part of GNU binutils. [`GNU GPL3 or later`](http://www.gnu.org/licenses/gpl-3.0.html)
      • dyncall - Another foreign function interface library. [`Expat`](https://directory.fsf.org/wiki/License:Expat)
      • FANN - Fast Artifical Neural Network library; an implementation of neural networks. [`GNU GPL2.1`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
      • Firm - C library that provides a graph-based intermediate representation, optimizations and assembly code generation suitable for use in compilers. Comes with an example C front-end under the same license. [`GNU LGPLv2.1`](http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html)
      • gjrand - Library of random-number generation routines. [`GNU GPL2.1`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html) or [`GNU GPLv3`](http://www.gnu.org/licenses/gpl-3.0.html)
      • GNU FreeIPMI - In-band and out-of-band IPMI implementation. [`GNU GPL3`](http://www.gnu.org/licenses/gpl-3.0.html)
      • GNU gperf - Perfect hash function generator, given a list of strings. Outputs C code. [`GNU GPL3 or later`](http://www.gnu.org/licenses/gpl-3.0.html)
      • GNU Libffcall - Collection of libraries for building foreign function interfaces. [`GNU GPL3 or later`](http://www.gnu.org/licenses/gpl-3.0.html)
      • Kitsune - Efficient, general-purpose framework for dynamic software updating. [`GNU LGPL3 or later`](http://www.gnu.org/licenses/lgpl-3.0.html)
      • libavl - Library containing a range of self-balancing binary trees. [`GNU GPL3 or later`](http://www.gnu.org/licenses/gpl-3.0.html)
      • libCello - Library introducing higher-level programming to C. [`3-clause BSD`](https://directory.fsf.org/wiki/License:BSD-3-Clause)
      • libgit2 - Pure C implementation of Git. [`GNU GPL2 only, with a linking exception`](https://github.com/libgit2/libgit2/blob/master/COPYING)
      • ncurses - Coloured terminal UI library. [`GNU GPL3 or later`](http://www.gnu.org/licenses/gpl-3.0.html)
      • Ragel - DSL for state machines that compiles to C. [`GNU GPL2.1`](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html)
      • mcpp - Portable C preprocessor. [`2-clause BSD`](https://opensource.org/licenses/BSD-2-Clause)
      • libusb - Generic access to USB devices. [`LGPL2.1`](https://github.com/libusb/libusb/blob/master/COPYING)
      • alsa-lib - Userspace library to interact with ALSA. [`LGPL2.1`](https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html)
      • dyncall - Another foreign function interface library. [`Expat`](https://directory.fsf.org/wiki/License:Expat)
      • libavl - Library containing a range of self-balancing binary trees. [`GNU GPL3 or later`](http://www.gnu.org/licenses/gpl-3.0.html)
      • libCello - Library introducing higher-level programming to C. [`3-clause BSD`](https://directory.fsf.org/wiki/License:BSD-3-Clause)
      • mcpp - Portable C preprocessor. [`2-clause BSD`](https://opensource.org/licenses/BSD-2-Clause)
      • Capstone - Dissasembly/disassembler framework. [`BSD 3-clause`](https://github.com/aquynh/capstone/blob/master/LICENSE.TXT)
      • cf4ocl - The C Framework for OpenCL; a cross-platform object-oriented framework for developing and benchmarking [OpenCL](https://www.khronos.org/opencl/) projects. [`GNU LGPL3 (library)`](http://www.gnu.org/licenses/lgpl-3.0.html) or [`GNU GPL3 (project code)`](http://www.gnu.org/licenses/gpl-3.0.html)
      • alsa-lib - Userspace library to interact with ALSA. [`LGPL2.1`](https://www.gnu.org/licenses/old-licenses/lgpl-2.1.en.html)

  • XML ##

    • Vim ###

      • Expat - Stream-oriented XML parser. [`Expat`](https://directory.fsf.org/wiki/License:Expat)
      • libxml2 - Standards-compliant, portable XML parser. [`Expat`](https://directory.fsf.org/wiki/License:Expat)
      • libxml2 - Standards-compliant, portable XML parser. [`Expat`](https://directory.fsf.org/wiki/License:Expat)
Programming Languages
C 2 C++ 1
Categories
Learning, Reference and Tutorials ## 70 Networking and Internet ## 30 Numerical ## 26 Utilities ## 25 Tools ## 23 Editors ## 17 Build Systems ## 16 Graphics ## 14 Game Programming ## 14 Compilers ## 12 Frameworks ## 12 Parallel Programming ## 11 Database ## 9 Crypto ## 8 Compression ## 7 Memory Allocators ## 7 String Manipulation ## 6 Multimedia ## 6 Embedded Systems ## 5 Graphical User Interface ## 5 JSON ## 5 Documentation Generation ## 5 Testing ## 5 Text Editor Extensions ## 4 Standard Libraries ## 3 Source Code Collections ## 3 Serialization ## 3 Hashing ## 3 XML ## 3 Environments ## 2 Image Processing ## 2 Macros ## 2 Parsers ## 1 Compiler libraries ## 1 Regex ## 1 Deep Learning ## 1
Sub Categories
Web Frameworks ### 64 Physical ### 59 Vim ### 52 Online ### 51 Graphic APIs ### 20 Resources ### 19 RTOS ### 19 Engines ### 4 Emacs ### 2 Atom ### 1
Keywords
c 2 premake 1 lua 1 wrapper 1 scientific-computing 1 opencl-objects 1 opencl-api 1 opencl 1 hpc 1 gpu 1 gpgpu 1 framework 1