An Efficient Unification Algorithm by Martelli and Montanari

https://github.com/json-c/json-c is the official code repository for json-c. See the wiki for release tarballs for download. API docs at http://json-c.github.io/json-c/

In-memory relational database engine written in C from scratch

Implementation of a Boolean satisfiability problem (SAT) solver

Core c99 package for AWS SDK for C. Includes cross-platform primitives, configuration, data structures, and error handling.

A dynamic array implementation in C similar to the one found in standard C++

qLibc is a simple and yet powerful C library providing generic data structures and algorithms.

The Boehm-Demers-Weiser conservative C/C++ Garbage Collector (bdwgc, also known as bdw-gc, boehm-gc, libgc)

A simple Garbage Collected Arena for C.

🐜 single header process launching solution for C and C++

Portable C standard library

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 m…

A modern, user friendly, generic, type-safe and fast C99 container library: String, Vector, Sorted and Unordered Map and Set, Deque, Forward List, Smart Pointers, Bitset and Random numbers.

Library of generic and type safe containers in pure C language (C99 or C11) for a wide collection of container (comparable to the C++ STL).

Collection of cross-platform one-file C/C++ libraries with no dependencies, primarily used for games

Log-Structured Merge-Tree (LSM-Tree)

Minimal C Library

GoDS (Go Data Structures) - Sets, Lists, Stacks, Maps, Trees, Queues, and much more

References for low level programming

Common libraries and data structures for C.

single header libraries for C/C++

Single header stackful cross-platform coroutine library in pure C.

A single-header incremental garbage collector library

Asynchronous I/O framework for C with coroutine scheduling

A proof-of-concept smart pointer library in C