...It forked from (no longer maintained) RTS classic Glest in 2010 and has since added several new features while improving on previously existing ones.
MegaGlest is available for Linux, Windows, OS X and other systems. It also drives ot
OpenJazz is an open-source version of the classic Jazz Jackrabbit™ games. OpenJazz is available for a wide range of platforms, including Windows, Mac OS X, and several gaming devices. To play, you will need the files from one of the original games.
Deep Matrix is a Java chat-client and server system that turns 3D VRML/X3D worlds in to multi-user enviroments. The current version "Deep MatrixIP9" works on Windows, Mac, and LinuxOS systems.
This is a 2D shooting action game for two players for GNU/Linux, Mac OS X, and Windows. Current release written in C++ using the SDL library with its extensions. Next release will be in Java.
This is a program for Oware and Reversi (Othello) for J2ME/Cell and (PlamOS with IBM WME VM). Oware (popular in Africa) is a Mancala game suitable for adults. Reversi (Othello) is included. Based on mobilesuite (on sourceforge) with modifications.