OpenArena is a 3d game creation engine. It is a rendering system that can be used for more than just games but it is targeted at games. The basic use being create some game media textures models maps and config files for physics and rules.
Saiga is a 3-D rendering library that provides access to native geospatial formats, elevation data sets and OGC Web Mapping Services (WMS).
A set of computational chemistry modules and programs to perform ab initio calculations of various properties of small molecules. The system will use GRID technology for large computations. The system will use C++ and Qt, running on Win32 and Linux