Flight Pilot Simulator 3D - Unleash your inner maverick, become a pilot and CONQUER the skies!
Appolo - Static app portfolio for developers
GeoFS - Free, Web based flight simulator with worldwide satellite images.
ProGram - CLI based, self-hosted Instagram-esque gallery
FlightGear - The FlightGear flight simulator project is an open-source, multi-platform, cooperative flight simulator development project. It also simulates space flight in Earth's orbit. It's flight dynamics engine (JSBSim) is used in a 2015 NASA benchmark.
Saleter - Transform your Instagram into an online store