The Porsche Club of America
The national Porsche Club website
Pelican Parts Forum
Includes forums on every model of Porsche, including a very active 911 forum
Rennlist Discussion Forum
Includes active forums for all Porsche models
Porsche Pete's Boxster Board
Active forum covering all things Boxster, from technical to personal stories
RennTech Forum
Includes mostly technical information about late-model Porsches