PX4 Autopilot Software
FlightGear Flight Simulator: free open-source multiplatform flight sim
Combat Flight Simulator for LINUX. WW2. Network and VOIP. Open-source.
A distributed flight sim and front end for JSBSim
an osm openstreetmap 3D / bing maps car / flight / ballon sim game
SkyShit FPV Suite for Parrot Drone (Anafi, Bebop 2 & Disco)
Autonomous aviation intelligence software for drones and VTOL
Advanced Drone System
Fully Functional GCS(Ground Control System) for Zuppa Autopilot
action/combat flight sim
A Kinect-based Flight Simulator
A 3D first-person remake of the arcade classic, featuring Katie Holmes
l-39 addon aircraft for flightgear flight sim
l-39za addon aircraft for flightgear flight sim