FlightGear Flight Simulator: free open-source multiplatform flight sim
System dynamics program with additional features for economics
A High-level Utility Package for FMI-based Software Development
Building blocks for the renewable energy industry.
Antimony is a human-readable, human-writable model definition language
MRS/NMR analysis software
A virtual planetarium for observers of the real sky.
Simulates various types of elections for statistical analysis.
LIME is a software tool for creating multiphysics simulation codes.
rp6simul is a simulator for the RP6 robot (AREXX Engineering)