Outdated for some time, these have been cleaned up and validated as per September 2005.
If you'd like your link here, please just let me know!

Fan Sites

Shoryuken.com
SNK-Capcom.com
Ruuko
CammyFan
ComboVideos.com
The Puzzle Fighter Shrine
Street Fighter Warehouse
Game Hunters - SF Index
Fighter's Generation
Sprite Rip City
Pure Figure Obsession (mirror)

Developers

Capcom Japan
Capcom Asia
Capcom USA
Capcom Europe
Arika

Additional Art

SF/Misc. Sprites & GIFs I've made