Star Trek: Rules of Acquisition
- A PennMUSH-driven game based four years after the return of Vogayer to Alpha Quadarant. Players create characters in independent small organizations focusing around peacekeeping, piracy, soldiering, and other concepts.
- http://mysite.verizon.net/vze1qjr9/roa/

Star Trek: Legacy
- Star Trek: Legacy is dedicated to keeping the legacy of Gene Roddenbury alive by creating a game where even novice non-Trekkers can learn how to interact appropriately in a Star Trek Universe.
- http://tkhasi.betterbox.net/

Anomaly TrekMUX
- A roleplay centered Trek MUX set on a single space station along the border of the Romulan and Klingon empires, during the darkest hours of the Dominion war. Uses a modified version of the Last Unicorn Games rules system. Focuses on story, character, and
- http://anomaly.mushpark.com

Holotrek
- Star Trek themed emphasising roleplay. Features combat, skills and economy.
- http://www.holotrek.org

Star Trek: TOS TrekMUSE
- Set during the time of the original Star Trek series. Heavy emphasis on coded systems. This is a very complete game with a strong visual appeal overall.
- http://www.tos.net/

Infinite Frontiers
- Set two years after First Contact. Emphasis is on roleplay and space systems.
- http://www.llamas.org/if/