Needless to say, C is powerful. But, if you use Java or Python, you will reconize that C lakes a bunch of Libraries(APIs) or a framework for C programmer to do job quicker. Sometimes you have to look for some C libraries to meet your requirement, and then you can avoid from carving the same wheels again and again. This document will record the useful libraries for C language and I will continue to add the new one on it. For those who are a great C programmer, if you know a good library for C, please also let me know that. Thanks in advance.
OGDF - Open Graph Drawing Framework
the multiprotocol file transfer library
The lightweight web server in C
SimCList – A C library for Lists
The libevent API provides a mechanism to execute a callback function when a specific event occurs on a file descriptor or after a timeout has been reached. Furthermore, libevent also support callbacks due to signals or regular timeouts
libev - a high performance full-featured event loop written in C
It is similar with libevent, but is more efficiently
The Better String Library
Unit Test Frameworks
Exception Handling for C
libssh2 is a client-side C library implementing the SSH2 protocol
CIDR Library ( Need to verify )
NETCONF library in C
SQLite is a software library that implements a self-contained, serverless, zero-configuration, transactional SQL database engine.