X Alternatives

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

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

Open Source

B2B SaaS: Make your app enterprise-ready! Authentication - SAML/OIDC SSO, Directory Sync (SCIM 2.0), Audit Logs, Data Privacy Vault, and more!

Try for free Open Source free $49.0 / Monthly (Per connection)

Vega Strike is an Open Source 3D Action-Space-Sim that lets you trade, fight, and explore in a vast...

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.

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

Elite Dangerous is a 2015 Trading, Action, Sci-fi, Exploration, Open World and Space Simulation by Frontier Developments.

Star Conflict is a free MMO action game and space simulator that was introduced in 2012.

Gab is an ad-free social network dedicated to free speech.

Build spacecraft, fly them, and try to help the Kerbals to fulfill their ultimate mission of conquering space.

The online social world where you are in control.

Open Source

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!

Maintained fork of Pinafore. A somewhat unstable fediverse client with better support for Akkoma, glitch-soc, and Iceshrimp instances.

Starsector is a single-player space combat video game.