DeaDBeeF (as in 0xDEADBEEF) is an audio player for GNU/Linux systems with X11 (though now it also runs in plain console without X, in FreeBSD, and in OpenSolaris).
Clementine is a modern music player and library organiser. Clementine is a port of Amarok 1.4, with some features rewritten to take advantage of Qt4.
Guayadeque is a music management program designed for all music enthusiasts. It is Full Featured Linux media player that can easily manage large collections and uses the Gstreamer media framework.
Tweener (caurina.transitions.Tweener) is a Class used to create tweenings and other transitions via ActionScript code for projects built on the Flash platform. It's released and maintained for these versions:
Simple flash game in haXe
xmpppy is a Python library that is targeted to provide easy scripting with Jabber
Asynchronous Unit Test Framework for haXe
Lightweight GUI framework for haXe targetting Flash 7, Flash 8 & Flash 9
This is A pathfinding library. It has simple API for easy use in games