The Boldgoers!
StarTrek.com, Featuring Movie 11 (also here)
Roddenberry.com (Rod Roddenberry, that is!)
Memory Alpha,
TrekToday
TrekWeb
TrekGuide
Trek Nation
TrekTrak
The DS9 Avatar
Big Bill Kruse's Next Generation Page
The Klingon Assault Group
New Voyages: The 5-Year Mission Continues!
Starfleet: The International Star Trek Fan Association
The USS Justice, NCC-556
The Captain Kirk Page
TrekPeople.com
Trek --- The Animated Series
Curt Danhauser's Guide to the Animated Trek
Daisy Down Under's Complete Trek
The 7 of 9 Zone
The Enterprise Crew
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