C library for Media Analysis, Motion Analizing, Movie Architecture, and Media Authoring. [Open source, LGPL]

A generic library for C. It extensively uses the preprocessor for generic implementation of sorting algorithms on arrays, lists, sorted lists, red-black trees. The library operates on user types and does not depend on a particular memory management sy...

An ANSI C library, for parsing command line arguments and options according to GNU standards. [Open source, GPL]

A safe and fast string library. It's buffer overflow and aliasing safe, high performance. The library includes a robust C++ wrapper that uses overloaded operators and rich constructors to make the CBstring struct a natural and powerful string abstraction.

A glibc clone for windows.

Library for winsock applications.Currently only compatible with winsock v1.1.

A library for integrated data storage and indexing, marshalling, transfer and encryption. It also features a slew of utility functions for various purposes. It is written in C, using the GLib paradigm. [Open source]

Open source C library implementing synchronous multithreading with prioritized scheduling and message passing.

Information extractor and disassembler for Java classes. Backend code available as a C library. [Open source, GPL]

A library implements a set of functions allowing to manage bi-dimensional matrix with languages C and C++. Matrix2D includes also several functions of images processing. [Free for personal use]