RPG-specific Websites
Alternity
AlternityRPG - Official alternity system resource.
Call of Cthulhu
Yog-Sothoth - for all aspects of Cthulhu and Delta Green.
Champions
Champions Write-ups - your favorite heroes, Champions style.
Cyberpunk 2020
Blackhammer Project - Cyberpunk 2020 site.
Dungeons & Dragons
AD&D 1st edition
Dragonsfoot - specializing in 1st Ed. AD&D.
Glorantha
Lokarnos - Index to Gloranthan websites.
Hackmaster
Mikeeze Wurld - Hackmaster specialist.
Traveller
BITS - British Isles Traveller Support.
Downport - for all versions of Traveller.
Warhammer Fantasy Role-Play
Fading Suns
Bletchley RolePlaying Group
Renaissance - Byzantium Secundus
D.J.'s Fading Suns Page
Lemingrad
Noblesse Oblige
That Without Shadow
Yahoo Group
Other
Aether Traveller - concentrates on the old GDW games.