FlightGear Flight Simulator: free open-source multiplatform flight sim
A planetarium software that shows a 3D simulation of the night sky
Open Source Solid Modeling CAD
MathMod is a mathematical modeling software
Portable software and data related to Mersenne numbers
turn-based wargame/simulator
Monitor and control your home and several energy sources
Comet open source tandem mass spectrometry (MS/MS) search engine.
Adjustment of local surveying networks, binary builds for Windows
polyglot language framework to analyze genetic data
Free Software Medical Suite
Floor-level factory/shop automatization control software