Greendale: Background and transcripts from an online campaign.
School Classes for Teenagers From Outer Space: A d100 table for randomly generating teeners' class schedules.
Stratford Central Galactic High School: Timeline for a campaign set in Stratford, Ontario.
Teenagers From Cyber Space: Characters and equipment. Accepts submissions.
Teenagers From Outer Space: R. Talsorian's official TFOS page.
Teenagers from Outer Space -- The Game: Background for a campaign set in Minnark, Minnesota.
Teenagers From Outer Space Archive: Collection of characters, adventures, gadgets, and powers.
The Ominous PBEM: Background and characters from a play-by-email campaign.
WWW Regional High School: An illustrated collection of TFOS characters.
Yahoo! Groups: teenagersfromouterspaceforum: Features message board for discussion and online gaming. Registration required to post.