Syntastic - Syntax checking and linting. 

YouCompleteMe - Code completion engine for Vim. 

libxml2 - Standards-compliant, portable XML parser. 

mini-xml - Small XML reading and writing library. No dependencies aside from C standard library. 

Amazon FreeRTOS - RTOS for microcontrollers that makes small, low-power edge devices easy to program. 

ChibiOS - RTOS with complete development environment (HAL, drivers, support files, and tools). 

Contiki - Connect low-cost, low power microcontrollers to the Internet. 

Zephyr Project - Scalable real-time RTOS supporting multiple hardware architectures, optimized for resource constrained devices. 

RIOT OS - Real-time multi-threading operating system that supports a range of devices that are typically found in the Internet of Things. 

Jansson - C library for encoding, decoding and manipulating JSON. 

parson - Lightweight JSON library written in C. 

WJElement - Advanced JSON manipulation library, with support for JSON Schema. 

YAJL - Fast C JSON streaming parser library. 

linter-clang - Lint C code in Atom, using Clang. 

linter-gcc - Lint C code in Atom, using GCC. 

PCRE - Implementation of regexes identical to that of Perl 5. 

regexp4 - Simple and complete implementation of regular expressions with its own sintax. 

SLRE - Super Light Regular Expression library; a very small implementation of a subset of Perl regex syntax. 

sregex - Non-backtracking NFA/DFA-based Perl-compatible regex engine library. 

TRE - POSIX-compliant, feature-full regex library. 

CEDET - Collection of Emacs Development Environment Tools; designed to provide IDE-like features to Emacs. Built-in. 

Flycheck - Modern syntax checking. For C, it can use either GCC or Clang as a back-end. 

Yasnippet - Template system, with C templates for common code snippets. 

Artistic Style - Fast and small automatic source code formatter that supports C. 

address-sanitizer - Fast memory error detector. 

biicode - Modern dependency manager for C. 

c - Compile and execute C "scripts" in one go on the command line. Also has shebang support. 

CBMC - C Bounded Model Checker; a tool for verification of array bounds, pointer safety and user-specified assertions. 

cdecl - Online service to translate C declarations into English and vice versa. 

cinclude2dot - Graphs include dependencies in a C project using Graphviz. 

Complexity - Tool for measuring the complexity of C source code. 

CScout - Source code analyzer and refactoring browser for collections of C programs. 

DDD - Graphical front-end for a range of command-line debuggers. 

GDB - The GNU Project debugger; a debugger for C. 

Glade - RAD tool to enable quick development of GTK+ GUIs. 

GMSL - GNU Make Standard Library; a collection of additional functionality for GNU Make. 

GNU Global - Source code tagging tool which works with C. 

gprof - Performance analysis tool. Part of GNU binutils. 

Highlight - Converts source code to formatted text with nice highlighting. 

include-what-you-use - Helps find unecessary inclusions and make suggestions for fixing them. Based on LLVM/Clang (and only works with it). 

indent - Formats C source code automatically to make it easier to read. Also converts from one style of source to another. 

rr - Debugger that records non-deterministic executions to allow for deterministic debugging. 

tup - Very fast, file-based, cross-platform build system. 

unifdef - Removes #ifdef and #if directives with their delimited text without touching any other part of the file. 

Valgrind - Range of dynamic analysis tools, including a leak checker. 

GnuTLS - Secure communication library, implementing SSL, TLS and DTLS. 

libgcrypt - General-purpose cryptography library, with a range of available ciphers. 

OpenSSL - Implementation of the SSL and TLS protocols, and also includes a cryptography library. 

libsodium - Modern and easy-to-use crypto library. 

libtomcrypt - Fairly comprehensive, modular and portable cryptographic toolkit. 

mbed TLS - Another crypto implementation for C. 

P99 - Suite of macros to implement advanced features like default function arguments, scope-bound resources, etc. (Requires C99) 

Atom - Hackable text editor for the 21st century. 

Code::Blocks - Extensible, configurable IDE supporting C. 

Qt Creator - Cross-platform IDE written with C++ and Qt, part of the Qt SDK. Supports Clang Code Model. 

Visual Studio Code - Code editing, redefined. Visual Studio Code.

Darkplaces - Modified version of the Quake2 engine. 

ioquake3 - The Quake3 engine, freed at last. 

Orx - Portable, lightweight, plugin-based, data-driven, 2D-oriented game engine. 

Spearmint - Engine designed for FPS games. 

xxHash - Extremely fast non-cryptographic hash algorithm. 

murmur - C implementation of MurMur Hashing. 

hammer - Parser combinators for binary formats. 

libucl - Universal configuration library parser. 

CHEAT - Very simple unit testing framework. 

cmocka - Unit testing framework with support for mock objects. 

Criterion - KISS, non-intrusive C test framework. 

CUnit - Another unit testing framework for C. 

Cutest - Library for unit testing with memory leak detection (Linux, freeBSD and Windows). 

minunit - Minimal unit testing framework for C. 

munit - Small but full-featured unit testing framework for C with no dependencies. 

Unity - Simple unit testing framework for C. 

BerkeleyDB - Library for a high-performance embedded database for key-value data. 

Hiredis - Minimalistic client library for Redis. 

LMDB - Ultra-fast, ultra-compact key-value embedded data store. 

MariaDB - Robust, scalable and reliable SQL server, designed to be a drop-in replacement for MySQL. 

mongo-c-driver - High-performance client library for 

PostgreSQL - Powerful object-relational database system. 

recutils - Set of tools and a C library for accessing human-editable, plaintext database files called recfiles. 

sophia - Modern, embeddable key-value database. 

SQLite - Self-contained, serverless, zero-configuration, transactional SQL database engine with a C interface. 

UnQLite - Self-contained, serverless, zero-configuration, transactional NoSQL engine with a C interface. 

giflib - Library for reading and writing gif images. 

heman - Tiny library of image utilities dealing with height maps, normal maps, distance fields and the like. 

libcaca - ASCII renderer for terminal-based interfaces. 

libimagequant - Small, portable library for high-quality conversion of RGBA images to 8-bit indexed colour images. 

libjpeg-turbo - Faster library for reading and writing JPEG files. 

libpng - The official PNG reference library. 

libxmi - Function library for rasterizing 2D vector graphics. 

POSIX Threads Programming tutorial (a little dated, but most of it is still valid and useful)

The GNU C Programming Tutorial (online PDF)

Quick tutorial on implementing and debugging malloc, free, calloc, and realloc

Implementing smart pointers for the C programming language

Metaprogramming custom control structures in C

Writing efficient C and C code optimization

What every programmer should know about memory

C Primer Plus 6E - Complete tutorial on programming in C11.

C Programming: A Modern Approach - Excellent book to learn the basics of C.

Head First C - 'Head-first' style book for learning C.

Expert C Programming: Deep C Secrets - Interesting, in-depth and 

Clang - C compiler for LLVM. Supports C11. 

CompCert - Fully-verified C compiler. Supports almost all of C89. 

GCC - Provides a C compiler as part of its compiler set. Supports C11 and OpenMP. 

PCC - Venerable C compiler. Supports C99. 

TCC - Tiny C Compiler; a small, fast C compiler. Supports C99 (except complex types). 

Intel SPMD - Compiler for a variant of the C language, for single program, multiple data programming. 

ccache - Compiler cache designed to speedup recompilation. 

Allegro - Cross-platform, video game development and multimedia library. 

Chipmunk2D - Fast and lightweight 2D game physics library. 

FreeGLUT - Alternative to the OpenGL Utility Toolkit. Allows the creation and management of windows with OpenGL contexts. 

GLFW - Multi-platform library for creating windows with OpenGL contexts. 

libao - Cross-platform audio library with a wide variety of outputs. 

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. 

raylib - Simple and easy-to-use library to learn videogames programming. 

C: A Reference Manual 5E - Full reference book for C99.

C Pocket Reference - Concise reference book for C99.

The C Programming Language 2E - The original book on C, by its creators.

apophenia - Library for statistical and scientific computing. 

ATLAS - Automatically Tuned Linear Algebra Software. 

BLAS - Basic Linear Algebra Subprograms; a set of routines that provide vector and matrix operations. 

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)

cmathl - Pure-C Math library with a great variety of mathematical functions and CMake build support. Seeks to be close to C89/C90 compliant for portability. 

Cuba - Library for multidimensional numerical integration. 

FFTW - The Fastest Fourier Transform in the West; a highly-optimized fast Fourier transform routine. 

FLINT - Fast Library for Number Theory; a library supporting arithmetic with numbers, polynomials, power series and matrices, among others. 

GLPK - GNU Linear Programming Kit; a package designed for solving large-scale linear programming, mixed integer programming and other related problems. 

GMP - GNU Multple Precision Arithmetic Library; a library for arbitrary-precision arithmetic. 

GNU MPC - Library for complex number arithmetic. 

GNU MPFR - Library for arbitrary-precision floating-point arithmetic. 

GNU MPRIA - Portable mathematics library for multi-precision rational interval arithmetic. 

GSL - The GNU Scientific Library; a sophisticated numerical library. 

igraph - Library for creating and manipulating large graphs. 

KISS FFT - Very simple fast Fourier transform library. 

PARI/GP - Computer algebra system for number theory; includes a compiler to C. 

PETSc - Suite of data structures and routines for scalable parallel solution of scientific applications modelled by partial differential equations. 

PROB - Library that handles various discrete and continuous probability density functions.  

Yeppp! - Very fast, SIMD-optimized mathematical library. 

ApeTagLibs - C library for working with APEv2 tags. 

bfd - Library for manipulating binary object files. Part of GNU binutils. 

cf4ocl - The C Framework for OpenCL; a cross-platform object-oriented framework for developing and benchmarking  

CommonMark - C implementation of the CommonMark spec. 

CException - C implementation of exceptions. 

docopt.c - C implementation of a command-line option parser. 

dyncall - Another foreign function interface library. 

FANN - Fast Artifical Neural Network library; an implementation of neural networks. 

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. 

Genann - Simple neural network library in C. 

gjrand - Library of random-number generation routines. 

GNU FreeIPMI - In-band and out-of-band IPMI implementation. 

GNU gperf - Perfect hash function generator, given a list of strings. Outputs C code. 

GNU Libffcall - Collection of libraries for building foreign function interfaces. 

gperftools - Collection of utilities for measuring and improving performance. 

huffandpuff - Minimal Huffman encoder and decoder. 

kdtree - Simple library for working with KD-trees. 

Kitsune - Efficient, general-purpose framework for dynamic software updating. 

libavl - Library containing a range of self-balancing binary trees. 

libCello - Library introducing higher-level programming to C. 

libffi - Portable foreign-function interface library. 

libimobiledevice - Cross-platform protocol library to communicate with iThings. 

libnfc - Platform-independent Near-Field Communication library. 

libPhenom - Deprecated, here for archival purposes. Eventing framework for building high-scalability and high-performance systems. 

nope.c - C-language-based, ultra-light software platform for scalable server-side and networking applications (think node.js for C programmers). 

Ragel - DSL for state machines that compiles to C. 

Tinyexpr - Tiny recursive-descent parser, compiler and evaluation engine for simple mathematical expressions. 

uthash - Hash table implementation, allowing existing structures to be stored in a hash table easily. 

cpu_features - A cross platform C99 library to get cpu features at runtime. 

pblog - Small, low overhead, structured logging library intended for logging formware events.

libelf - ELF object file access library in C. 

alsa-lib - Userspace library to interact with ALSA. 

Capstone - Dissasembly/disassembler framework. 

APR - Apache Portable Runtime; another library of cross-platform utility functions. 

C Algorithms - Collection of common algorithms and data structures for C. 

C Macro Collections - Header only, macro generated, generic and type-safe Collections in C. 

CPL - The Common Pipeline Library; a set of libraries designed to be a comprehensive, efficient and robust software toolkit. 

EFL - Large collection of useful data structures and functions.

GLib - Library of utility functions and structures, designed to be portable, efficient and powerful. 

GObject - Object-oriented system and object model for C. 

libnih - Lightweight library of C functions and structures. 

libU - Small library of basic utilities, including memory allocation, string manipulation and logging. 

PBL - Large library of utilities, featuring data structures, among other things. 

qlibc - Simple and powerful C library, designed as a replacement for GLib while focusing on being small and light. 

stb - Range of single-file libraries for C. 

FFMPEG - Complete, cross-platform solution to record, convert and stream audio and video. 

GStreamer - Framework for audio and visual media. 

lodepng - Simple PNG image decoder and encoder, requiring no other dependencies. 

libsoup - GNOME HTTP client/server library. Uses GObject. 

libmpv - Music-playing library. Compile with 

libsoundio - Library for cross-platform, real-time audio input and output. Has a range of back-ends. 

libzip - A C library for reading, creating, and modifying zip archives. 

lzo - Very fast data compression library. 

zlib - Massively-spiffy yet delicately-unobtrusive compression library. 

bzip2 - Patent free, high quality data compressor. 

snappy - Fast compression library (implementation in C++, native bindings to C).

zstd - Fast real-time compression algorithm 

brotli - Generic lossless compression algorithm based on LZ77, Huffman coding and 2nd order context modelling 

pixz - Pixz (pronounced pixie) is a parallel, indexing version of 

Cygwin - Designed to emulate a POSIX-compatible environment extensively under Windows. 

MinGW-w64 - Minimalist environment for C development on Windows with 64 bit support. 

OpenGL - Industry adopted 2D and 3D graphics API. More resources at 

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.

Repository of C Resources in November 2024

Select category under c projects and apps that you are looking to build in November 2024

Last Updated: 15 November 2024

Repository of c Resources

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