The Goblin and the Butterfly (TGATB) is a 2D/3D client for the MMORPG of the same name.
RainbruRPG is a 3D multiplayer Role Playing Game project based on Ogre3D and CEGUI. It is based on an Object Oriented design through C++ and Ruby modules and a community-oriented concept through a wiki.
A multiplatform file watcher. Pretty much like tail with a GUI.