1) Free computer library 
GNet is a simple network library. It is written in C, object-oriented, and built upon GLib. It is intended to be small, fast, easy-to-use, and easy to port. The interface is similar to the interface for Java`s network library. GNet has been ported to Linux, BSD, Mac OS, Solaris, HP, and Windows. It may work on other flavors of Unix too. According....