Homebrew Campaign Settings

These are various homebrew campaign settings that can be found on the web.

Urbis - A World of Cities
Tempest - A WIKI vanilla d20 fantasy setting, to which you may contribute
Heptovania - A really big vanilla fantasy RPG setting: 1500+ articles!
Farland - Another rich d20 setting with a nice website
The Hyborian Age - Conan's world for d20 RPGs
Amethyst - An original mix of fantasy and sci-fi using D&D3e + D20 Modern
Eyru - A d20 world of fantasy inspired by the Iron Age Celtic cultures
World of Khoras - An extensive fantasy campaign setting for any RPG system
World of Highland - An alternate Earth fantasy setting, with its own RPG system
Terra-Viejo - Another alternate Earth fantasy setting, but for d20
Dage - An old Earth-like Dark Ages fantasy world, for AD&D
Palaestra - A d20 fantasy setting of "Byzance against Faery"
Agyris - Very nice and original website for this Fudge setting
Korinth & Elindra - Two succinct d20 worlds, but with beautiful websites
The Oriental Hardpoint - An Asian/Oriental campaign setting
Dark Heritage - Swashbuckling in a grim setting (d20 + houserules) infused with blasphemous cults and horrible demons.