curl/curl - A command line tool and library for transferring data with URL syntax, supporting HTTP, HTTPS, FTP, FTPS, GOPHER, TFTP, SCP, SFTP, SMB, TELNET, DICT, LDAP, LDAPS, MQTT, FILE, IMAP, SMTP, POP3, RTSP and RTMP. libcurl offers a myriad of powerful features
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.
FreeRDP/FreeRDP - FreeRDP is a free remote desktop protocol library and clients
cmus/cmus - Small, fast and powerful console music player for Unix-like operating systems.
magnumripper/JohnTheRipper - This is the official repo for John the Ripper, "Jumbo" version. The "bleeding-jumbo" branch is based on 1.9.0-Jumbo-1 which was released on May 14, 2019. An import of the "core" version of john this jumbo was based on (or newer) is found in the "master" branch (CVS: https://cvsweb.openwall.com/cgi/cvsweb.cgi/Owl/packages/john/john/src/).
lvgl/lvgl - Powerful and easy-to-use embedded GUI with many widgets, advanced visual effects (opacity, antialiasing, animations) and low memory requirements (16K RAM, 64K Flash).
awslabs/s2n - s2n : an implementation of the TLS/SSL protocols
jorisvink/kore - An easy to use, scalable and secure web application framework for writing web APIs in C or Python. || This is a read-only mirror, please see https://kore.io/mail and https://kore.io/source for information on how to contribute via the mailing lists.
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.
dvorka/hstr - bash and zsh shell history suggest box - easily view, navigate, search and manage your command history.
akheron/jansson - C library for encoding, decoding and manipulating JSON data
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.
gnea/grbl - An open source, embedded, high performance g-code-parser and CNC milling controller written in optimized C that will run on a straight Arduino
MinhasKamal/CreepyCodeCollection - A Nonsense Collection of Disgusting Codes (quine-polyglot-code-golf-obfuscated-signature-creepy-codes-mandelbrot-esoteric-language-esoteric-programming-strange-golfing-spooky-weird)
fluent/fluent-bit - Fast and Lightweight Log processor and forwarder for Linux, BSD and OSX
microsoft/checkedc - Checked C is an extension to C that adds checking to detect or prevent common programming errors such as buffer overruns and out-of-bounds memory accesses. This repo has a wiki for Checked C, sample code, the specification, and test code.
neomutt/neomutt - :email: Teaching an Old Dog New Tricks -- IRC: #neomutt on irc.freenode.net
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+.
seemoo-lab/nexmon - The C-based Firmware Patching Framework for Broadcom/Cypress WiFi Chips that enables Monitor Mode, Frame Injection and much more
citusdata/cstore_fdw - Columnar store for analytics with Postgres, developed by Citus Data. Check out the mailing list at https://groups.google.com/forum/#!forum/cstore-users or join our slack channel at https://slack.citusdata.com
OpenSC/OpenSC - Open source smart card tools and middleware. PKCS#11/MiniDriver/Tokend
surparallel/pelagia - Automatic parallelization (lock-free multithreading thread) tool developed by Surparallel Open Source.Pelagia is embedded key value database that implements a small, fast, high-reliability on ANSI C.
altdesktop/playerctl - ğŸ�§ mpris command-line controller and library for vlc, audacious, bmp, cmus, spotify and others.
haywire/haywire - Haywire is an asynchronous HTTP server framework written in C that's built using the event loop based libuv platform layer that node.js is built on top of.
coreboot/coreboot - Mirror of https://review.coreboot.org/coreboot.git. We don't handle Pull Requests.
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
Visgean/Zeus - NOT MY CODE! Zeus trojan horse - leaked in 2011, I am not the author. This repository is for study purposes only, do not message me about your lame hacking attempts.
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.
nicklockwood/FastCoding - A faster and more flexible binary file format replacement for NSCoding, Property Lists and JSON
fwupd/fwupd - A simple daemon to allow session software to update firmware
emsec/ChameleonMini - The ChameleonMini is a versatile contactless smartcard emulator compliant to NFC. The ChameleonMini was developed by https://kasper-oswald.de. The device is available at https://shop.kasper.it. For further information see the Getting Started Page https://rawgit.com/emsec/ChameleonMini/master/Doc/Doxygen/html/_page__getting_started.html or the Wiki tab above.
Snaipe/Criterion - A cross-platform C and C++ unit testing framework for the 21th century
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:
ands/lightmapper - A C/C++ single-file library for drop-in lightmap baking. Just use your existing OpenGL renderer to bounce light!
RJ/ketama - C library for consistent hashing, and langauge bindings
tarcieri/cool.io - Simple evented I/O for Ruby (but please check out Celluloid::IO instead)
mptre/pick - A fuzzy search tool for the command-line
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.
Stephane-D/SGDK - SGDK - A free and open development kit for the Sega Megadrive
scottcgi/Mojoc - A cross-platform, open-source, pure C game engine for mobile game.
riolet/WAFer - WAFer is a C language-based software platform for scalable server-side and networking applications. Think node.js for C programmers.
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.
armink/CmBacktrace - Advanced fault backtrace library for ARM Cortex-M series MCU | ARM Cortex-M ç³»åˆ— MCU é”™è¯¯è¿½è¸ªåº“
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)
rsta2/circle - A C++ bare metal environment for Raspberry Pi with USB (32 and 64 bit)
cirosantilli/cpp-cheat - MOVING TO: https://github.com/cirosantilli/linux-kernel-module-cheat#userland-content SEE README. C, C++, POSIX and Linux system programming minimal examples. Asserts used wherever possible. Hello worlds for cool third party libraries and build systems. Cheatsheets, tutorials and mini-projects.
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.
faragon/libsrt - libsrt is a C library for writing fast and safe C code, faster. It provides string, vector, bit set, set, map, hash set, and hash map handling. Suitable for soft and hard real-time. Allows both heap and stack allocation. BETA (API still can change: suggestions are welcome)
liudf0716/xkcptun - xkcptun is kcp tunnel for OpenWRT&LEDE, implemented in c language
metacall/core - A library for providing inter-language foreign function interface calls.
cbsd/cbsd - Yet one more wrapper around jail, bhyve and XEN on FreeBSD platform.
cesanta/fossa - Async non-blocking multi-protocol networking library for C/C++
sisong/HDiffPatch - a C\C++ library and command-line tools for Diff & Patch between binary files or directories(folder); cross-platform; run fast; create small delta/differential; support large files and limit memory requires when diff & patch.
ryanpcmcquen/basque - A top-down 2d game engine, written from scratch in under 1000 lines of C.
lfittl/libpg_query - C library for accessing the PostgreSQL parser outside of the server environment
ImpulseAdventure/GUIslice - GUIslice drag & drop embedded GUI in C for touchscreen TFT on Arduino, Raspberry Pi, ARM, ESP8266 / ESP32 / M5stack using Adafruit-GFX / TFT_eSPI / UTFT / SDL
dyu/ffi-overhead - comparing the c ffi (foreign function interface) overhead on various programming languages
ned14/nedmalloc - An EXTREMELY FAST portable thread caching malloc implementation written in C for multiple threads without lock contention based on dlmalloc. Optimised for x86 and x64. Compatible with C++. Can patch itself into existing binaries on Windows.
armink/struct2json - A fast convert library between the JSON and C structure. Implement structure serialization and deserialization for C. | C ç»“æ�„ä½“ä¸� JSON å¿«é€Ÿäº’è½¬åº“ï¼Œå¿«é€Ÿå®�ç�° C ç»“æ�„ä½“çš„åº�åˆ—åŒ–å�Šå��åº�åˆ—åŒ–
zakirullin/tiny-compiler - A tiny compiler for a language featuring LL(2) with Lexer, Parser, ASM-like codegen and VM. Complex enough to give you a flavour of how the "real" thing works whilst not being a mere toy example.
saprykin/plibsys - Highly portable C system library: threads and synchronization primitives, sockets (TCP, UDP, SCTP), IPv4 and IPv6, IPC, hash functions (MD5, SHA-1, SHA-2, SHA-3, GOST), binary trees (RB, AVL) and more. Native code performance.
libgdx/fbx-conv - Command line utility using the FBX SDK to convert FBX/Collada/Obj files to a custom text/binary format for static, keyframed and skinned meshes.
miracl/MIRACL - MIRACL Cryptographic SDK: Multiprecision Integer and Rational Arithmetic Cryptographic Library is a C software library that is widely regarded by developers as the gold standard open source SDK for elliptic curve cryptography (ECC).
gingerBill/gb - gb single-file public domain libraries for C & C++
aterrien/forp-PHP-profiler - A PHP profiler written in C. forp is a lightweight PHP extension which provides the full call stack of your script, with CPU and memory usage, in a plain PHP Array or JSON output.
EliteQuant/EliteQuant_Cpp - C/C++ 11 High frequency quantitative trading platform. It follows modern design patterns such as event-driven, server/client architect, dependency injection and loosely-coupled robust distributed system. It is self-contained and can be used out of box. At the same time, it serves as server side for other EliteQuant projects.
imalimin/HardwareVideoCodec - HardwareVideoCodec is an efficient video recording library for Android. Supports software and hardware encode. With it, you can record a video at any resolution, no need to care about camera resolution. Everything is so easy.
eclipse/wakaama - Eclipse Wakaama (formerly liblwm2m) is an implementation of the Open Mobile Alliance's LightWeight M2M protocol (LWM2M).
macmade/ClangKit - ClangKit provides an Objective-C frontend to LibClang. Source tokenization, diagnostics and fix-its are actually implemented.
EIPStackGroup/OpENer - OpENer is an EtherNet/IP stack for I/O adapter devices. It supports multiple I/O and explicit connections and includes objects and services for making EtherNet/IP-compliant products as defined in the ODVA specification.
rose-compiler/rose - Developed at Lawrence Livermore National Laboratory (LLNL), ROSE is an open source compiler infrastructure to build source-to-source program transformation and analysis tools for large-scale C (C89 and C98), C++ (C++98 and C++11), UPC, Fortran (77/95/2003), OpenMP, Java, Python and PHP applications.
nih-at/libzip - A C library for reading, creating, and modifying zip archives.
koanlogic/libu - LibU is a multiplatform utility library written in C, with APIs for handling memory allocation, networking and URI parsing, string manipulation, debugging, and logging in a very compact way, plus many other miscellaneous tasks
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.