Library for validated numerics using interval arithmetic
Error propagation calculator and library for physical measurements
Optical Design Software for simulating systems of lenses, prisms, etc.
HiPlot makes understanding high dimensional data easy
3D urban environment renderer : browser-app ; as well as a GTA clone
extreme 3D flight simulator with advanced terrain rendering
a very lightweight advanced terrain-rendering and 3D map rendering sys
InLine Plot with Fortran
Flare is an ActionScript library for creating visualizations