OpenSpace - OpenSpace is open source interactive data visualization software designed to visualize the entire known universe and portray our ongoing efforts to investigate the cosmos.

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

Celestia - Real-time 3D visualization of space

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

Stellarium - Stellarium is a free open source planetarium for your computer.

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