git/git - Git Source Code Mirror - This is a publish-only repository but pull requests can be turned into patches to the mailing list via GitGitGadget (https://gitgitgadget.github.io/). Please follow Documentation/SubmittingPatches procedure for any of your improvements.
obsproject/obs-studio - OBS Studio - Free and open source software for live streaming and screen recording
curl/curl - A command line tool and library for transferring data with URL syntax, supporting DICT, FILE, FTP, FTPS, GOPHER, GOPHERS, HTTP, HTTPS, IMAP, IMAPS, LDAP, LDAPS, MQTT, POP3, POP3S, RTMP, RTMPS, RTSP, SCP, SFTP, SMB, SMBS, SMTP, SMTPS, TELNET and TFTP. libcurl offers a myriad of powerful features
liuliu/ccv - C-based/Cached/Core Computer Vision Library, A Modern Computer Vision Library
catboost/catboost - A fast, scalable, high performance Gradient Boosting on Decision Trees library, used for ranking, classification, regression and other machine learning tasks for Python, R, Java, C++. Supports computation on CPU and GPU.
Wind4/vlmcsd - KMS Emulator in C (currently runs on Linux including Android, FreeBSD, Solaris, Minix, Mac OS, iOS, Windows with or without Cygwin)
pocoproject/poco - The POCO C++ Libraries are powerful cross-platform C++ libraries for building network- and internet-based applications that run on desktop, server, mobile, IoT, and embedded systems.
pygame/pygame - 🐍🎮 pygame (the library) is a Free and Open Source python programming language library for making multimedia applications like games built on top of the excellent SDL library. C, Python, Native, OpenGL.
klange/toaruos - A completely-from-scratch hobby operating system: bootloader, kernel, drivers, C library, and userspace including a composited graphical UI, dynamic linker, syntax-highlighting text editor, network stack, etc.
microsoft/checkedc - Checked C is an extension to C that lets programmers write C code that is guaranteed by the compiler to be type-safe. The goal is to let people easily make their existing C code type-safe and eliminate entire classes of errors. Checked C does not address use-after-free errors. This repo has a wiki for Checked C, sample code, the specification, and test code.
concurrencykit/ck - Concurrency primitives, safe memory reclamation mechanisms and non-blocking (including lock-free) data structures designed to aid in the research, design and implementation of high performance concurrent systems developed in C99+.
fwupd/fwupd - A system daemon to allow session software to update firmware
vmg/sundown - Standards compliant, fast, secure markdown processing library in C
okbob/pspg - Unix pager (with very rich functionality) designed for work with tables. Designed for PostgreSQL, but MySQL is supported too. Works well with pgcli too. Can be used as CSV or TSV viewer too. It supports searching, selecting rows, columns, or block and export selected area to clipboard.
altdesktop/playerctl - 🎧 mpris media player command-line controller for vlc, mpv, RhythmBox, web browsers, cmus, mpd, spotify and others.
containers/crun - A fast and lightweight fully featured OCI runtime and C library for running containers
ZerBea/hcxtools - Portable (that doesn't include proprietary/commercial operating systems) solution for conversion of cap/pcap/pcapng (gz compressed) WiFi dump files to hashcat formats (recommended by hashcat) and to John the Ripper formats. hcx: h = hash, c = convert and calculate candidates, x = different hashtypes
libtom/libtomcrypt - LibTomCrypt is a fairly comprehensive, modular and portable cryptographic toolkit that provides developers with a vast array of well known published block ciphers, one-way hash functions, chaining modes, pseudo-random number generators, public key cryptography and a plethora of other routines.
eclipse/mraa - Linux Library for low speed IO Communication in C with bindings for C++, Python, Node.js & Java. Supports generic io platforms, as well as Intel Edison, Intel Joule, Raspberry Pi and many more.
Stephane-D/SGDK - SGDK - A free and open development kit for the Sega Mega Drive
libretro/common-shaders - Collection of commonly used Cg shaders. These shaders are usable by either HLSL and/or Cg runtime compilers. The cg2glsl script will translate most of these into GLSL shaders.
bitcraze/crazyflie-firmware - The main firmware for the Crazyflie Nano Quadcopter, Crazyflie Bolt Quadcopter and Roadrunner Positioning Tag.
olilarkin/wdl-ol - Enhanced version of Cockos' iPlug - A simple-to-use C++ framework for developing cross platform audio plugins and targeting multiple plugin APIs with the same code. VST / VST3 / Audiounit / RTAS / AAX (Native) formats supported. NOTE: THIS IS OBSOLETE, PLEASE SEE IPLUG2:
arthepsy/CVE-2021-4034 - PoC for PwnKit: Local Privilege Escalation Vulnerability in polkit’s pkexec (CVE-2021-4034)
deadpixi/mtm - Perhaps the smallest useful terminal multiplexer in the world.
happyfish100/libfastcommon - c common functions library extracted from my open source project FastDFS. this library is very simple and stable. functions including: string, logger, chain, hash, socket, ini file reader, base64 encode / decode, url encode / decode, fast timer, skiplist, object pool etc. detail info please see the c header files.
ngtcp2/ngtcp2 - ngtcp2 project is an effort to implement IETF QUIC protocol
sisong/HDiffPatch - a C\C++ library and command-line tools for Diff & Patch between binary files or directories(folder); cross-platform; runs fast; create small delta/differential; support large files and limit memory requires when diff & patch.
halayli/lthread - lthread, a multicore enabled coroutine library written in C
ColinIanKing/stress-ng - This is the stress-ng upstream project git repository. stress-ng will stress test a computer system in various selectable ways. It was designed to exercise various physical subsystems of a computer as well as the various operating system kernel interfaces.
eleme/corvus - A fast and lightweight Redis Cluster Proxy for Redis 3.0
HerculesWS/Hercules - Hercules is a collaborative software development project revolving around the creation of a robust massively multiplayer online role playing game (MMORPG) server package. Written in C, the program is very versatile and provides NPCs, warps and modifications. The project is jointly managed by a group of volunteers located around the world as well as a tremendous community providing QA and support. Hercules is a continuation of the original Athena project.
Orc/discount - My C implementation of John Gruber's Markdown markup language
DrTimothyAldenDavis/SuiteSparse - The official SuiteSparse library: a suite of sparse matrix algorithms authored or co-authored by Tim Davis, Texas A&M University. NOTE: PRs without signed CONTRIBUTOR AGREEMENT can't be accepted.
pysam-developers/pysam - Pysam is a Python module for reading and manipulating SAM/BAM/VCF/BCF files. It's a lightweight wrapper of the htslib C-API, the same one that powers samtools, bcftools, and tabix.
Robert-van-Engelen/tinylisp - Lisp in 99 lines of C and how to write one yourself. Includes 20 Lisp primitives, garbage collection and REPL. Includes tail-call optimized versions for speed and reduced memory use.
cucumber/common - A monorepo of common components - building blocks for implementing Cucumber in various languages.
TASEmulators/BizHawk - BizHawk is a multi-system emulator written in C#. BizHawk provides nice features for casual gamers such as full screen, and joypad support in addition to full rerecording and debugging tools for all system cores.
X0rg/CPU-X - CPU-X is a Free software that gathers information on CPU, motherboard and more
ideawu/c1000k - A tool to test if your OS supports 1 million connections(c1000k/c1m)
ionescu007/SpecuCheck - SpecuCheck is a Windows utility for checking the state of the software mitigations and hardware against CVE-2017-5754 (Meltdown), CVE-2017-5715 (Spectre v2), CVE-2018-3260 (Foreshadow), and CVE-2018-3639 (Spectre v4)
armink/struct2json - A fast convert library between the JSON and C structure. Implement structure serialization and deserialization for C. | C 结构体与 JSON 快速互转库，快速实现 C 结构体的序列化及反序列化
eclipse-embed-cdt/eclipse-plugins - The Eclipse Embedded CDT plug-ins for Arm & RISC-V C/C++ developers (formerly known as the GNU MCU Eclipse plug-ins). Includes the archive of previous plug-ins versions, as Releases.
100/Cranium - 🤖 A portable, header-only, artificial neural network library written in C99