graphics library for c

A Free Production Planning Library

Free portable media player with media library and customizable interface.

A XCAP client library built in Ruby language.

Example lifted from the standard library docs. Illustrative!

Net::DNS is a pure-Ruby DNS library,

MP4Info is a library providing read (and, someday, write) access to MP4 tags.

.NET 2.0/3.5 Basic Computer Vision Library. Motion, and Image recognition.

VC++ Basic Computer Vision Library. Motion, and Image recognition.

Merkaartor is developed with the GPL edition of the Qt library

A free software instrument with a production-ready 300 MB sound library.