About.com Crochet Forum: Very active and friendly forum for help and support of all kinds.
BellaOnline Crochet Forum: Message board for help with patterns or discussion of projects.
Crochet Guild of America: Memberships, Polls, various crochet related events information.
Crochetville: Forum for all ages and skill levels.
Learn Crochet Now Crochet Forum: Place to discuss patterns and find help and information. There are also crochet alongs and live chats.
Me Did It: Message board for crochet and other crafts.
Tribe: Crochet: Forum to talk about crochet.
Von's Crochet Cyberspace: MSN group featuring crochet discussion and links to tutorials, patterns and homepages.