C++ SPH/N-body library and standalone GUI application, mainly designed for astrophysical simulations
Cost / License
- Free
- Open Source (MIT)
Platforms
- Windows
- Linux
- Arch Linux
- FreeBSD




SpaceSim is described as 'Simulation & rendering software that uses Smoothed Particle Hydrodynamics (SPH) to simulate collisions of celestial bodies, accretion disks around black holes, or formation of galaxies in the early universe' and is an app in the education & reference category. There are six alternatives to SpaceSim for a variety of platforms, including Windows, Steam, Linux, Android and iPhone apps. The best SpaceSim alternative is OpenSPH, which is both free and Open Source. Other great apps like SpaceSim are Universe Sandbox, Galaxy Engine, Milky Way and Space Crash Simulator.
C++ SPH/N-body library and standalone GUI application, mainly designed for astrophysical simulations




Create & destroy on an unimaginable scale with a realistic physics-based space simulator. Explore the beauty of our universe and the fragility of our planet. Use science to bend the laws of gravity, collide planets, boil away oceans, fire epic space lasers, and customize your universe.


Simulate the physics of the Universe on a large scale and create stunning visuals. Play with intergalactic interactions, smash planets together and even create the Big Bang itself!.




If you're a fan of Solar Smash, Universe Sandbox, Spaceflight Simulator, Solar System Sim; this is your new favorite game!




Real-time planetary collision sandbox powered by SPH physics: smash planets together and watch the destruction and its aftermath!.




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.

