Guitarix - Guitarix is a simple Linux Rock Guitar Amplifier for https://alternativeto.
EVE Online - Player-created empires, player-driven markets, and endless ways to embark on your personal sci-fi adventure.
GNUitar - GNUitar is guitar effects software that allows you to use your PC as guitar processor.
Star Citizen - 1, 966, 341. Active citizen. Help us make Star Citizen a reality! Become a backer of the next-generation of Space-man. Reserve your ship.
Ampire - State Space Modeled guitar amp/cab/stompbox simulator.
Elite Dangerous - Elite Dangerous is a 2015 Trading, Action, Sci-fi, Exploration, Open World and Space Simulation by Frontier Developments.