Vampire The Requiem

Carthian . com
Resource site focused on the Carthian Movement covenant. Including play tips.
http://www.carthian.com/

Diablerie Roleplaying Network
IRC gaming community that plays Vampire the Requiem. Provides instructions for use, storylines and resources.
http://www.diablerie.org

Ordo Dracul .com
Resource site featuring player made devotions, bloodlines, disciplines, fan fiction and discussion forums.
http://www.ordodracul.com/

St Louis by Night
Chronicle set in St Louis offering chat and forum based roleplaying.
http://www.stlouisbynight.com

Vampire the Requiem: The New Deal
Messageboard based chronicle. Includes guidance on posting format and gaining xp.
http://vampirerequiem.proboards2.com/

Wikipedia
Overview of game including coverage of clans, covenants, differences vs Vampire: The Masquerade and links.
http://en.wikipedia.org/wiki/Vampire:_The_Requiem