EVE Online - Player-created empires, player-driven markets, and endless ways to embark on your personal sci-fi adventure.

Pioneer Scout Plus - A game of missions, trade and space combat in the 31st century using the Pioneer Space Sim engine...

Mastodon - Mastodon is a decentralized, open source social network. This is just one part of the network, run by the main developers of the project It is not focused on any particular niche interest - everyone is welcome!

Celestia - Real-time 3D visualization of space

Pioneer - Pioneer is a space adventure game set in the Milky Way galaxy at the turn of the 31st century.

Universe Sandbox - Universe Sandbox ² is a physics-based space simulator where you can simulate Events and even break physics and friction with certain features.