Galaxy Engine
OpenSPH
Universe Sandbox
Space Crash Simulator
MILKYWAY
Space Simulation Toolkit
Celestia
Space Engine
Vim Python IDE
Galaxy Engine
Vim Python IDENo features have been listed yet.
OpenSPH - Education & Reference
Universe Sandbox - Universe Sandbox ยฒ is a physics-based space simulator where you can simulate Events and even break physics and friction with certain features.
Space Crash Simulator - Games and Education & Reference
MILKYWAY - We match brands with the world's best filmmakers.
Space Simulation Toolkit - Physics sandbox game that uses a graphics card as a supercomputer. Change the laws of physics, design mechanisms, create A-Life worlds and inhabit them with living beings, experiment with evolution and AI.
Celestia - Real-time 3D visualization of space