Real Time Incorporated

A company dedicated to real-time spaceflight in Orbiter

Grand Explorations REBORN DEV TEAM and ALPHA TEST and BETA TEST TEAM

The Group for the DEV TEAM,ALPHA TEST TEAM and BETA TEST TEAM for reviving and updating Missileman01's obsolete Grand Explorations

The Orbiter Forum Tea Party

A place for conservative Orbinauts to hang out and discuss issues :)

Philippine Virtual Space Agency

Sali Na Kapatid!! Must Be Filipino to join!!!!!

Suborbital Masters

For masters of suborbital flight (but can still go into orbit)

Vocaloid Fans

Any fans of Vocaloid singing synthesizers. (e.g. Hatsune Miku, etc.)

Iron Hill Project B-Crew

The second rotation to Iron Hill on Mercury

Writers

Anyone who likes to do a bit of creative writing.

Interplanetary modular spacecraft development

internal discussion for people involved in IMS development

Astronomers and stargazers

Join this group if you have ever taken the time to gaze up at the sky.