Open-Source Massive Multiplayer Online Role-Playing Game engine. Server is semi-free, open for non-commercial use. Client is free software and the content is proprietary. Rehash from a 5-year-old project, active again since august 2007.
hostingstar.com.au's open source software.
To be used primarily for dotnetnuke modules, a cross platform backup system, .net (dotnet) user controls, 3d plugins and many other bits and pieces.