A cross-platform statistical package for econometric analysis
FlightGear Flight Simulator: free open-source multiplatform flight sim
Population Propogation in Python. Simulate births, marriages, deaths
3D driving simulation based on Open Dynamics Engine
Component, CA, and CCA models; superdense time, DB repo, testing, etc.
A 3D simulator game where you can drive, fly, and sail
mesoFON is an individual-based mangrove forest model, a KiWi extension
LIME is a software tool for creating multiphysics simulation codes.