FlightGear Flight Simulator: free open-source multiplatform flight sim
Webots ROS 2 packages
Lua Virtual Reality engine
The Skyscraper Project
Combat Flight Simulator for LINUX. WW2. Network and VOIP. Open-source.
Air traffic control tower and radar simulator (solo + multi-player)
Opengate is a Jumpgate remake
a webgl Cesium 3D flight simulator
Conceptual design of Light Fixed Wing Aircraft
Python binding to the libindi library
The solar system to scale + meteor shower simulation
Spatially Explicit Individual-based Forest Simulator