CatHobbyist
An independent online community of cat hobbyists, businesses, keepers, breeders, and organizations.
http://www.cathobbyist.com/

Familiars Fanciers Lists
E-mail list for people who love their feline familiars.
http://www.vcnet.com/valkat/sanctuary/ffml.html

About.com Cats Forum
Ask questions, share your knowledge with others, discuss the glories and the agonies of being "owned" by a cat, and meet other cat aficianados.
http://cats.about.com/mpboards.htm

A Cat Crazy Fanatic
E-group devoted to a passion for cats. Unmoderated with open membership.
http://groups.yahoo.com/group/a-cat-crazy-fanatic/

AusGroup2
A discussion forum for breeders and fanciers of Australian Siamese, Oriental, Balinese, Javanese, and Foreign White cats.
http://groups.yahoo.com/group/ausgroup2/

Yahoo Groups: Siaojaba
Devoted to the Siamese and its close relatives the Oriental, Colorpoint Shorthair, Javanese, and Balinese. Open membership, restricted archives.
http://groups.yahoo.com/group/siaojaba/

Yahoo Groups: CinnamonFawnFanciers
Forum for breeders and owners of cinnamon and fawn colored cats.
http://groups.yahoo.com/group/CinnamonFawnFanciers/

Cat Forum
Discussions on feline health and behavior; and cats in general.
http://www.catforum.com/

Acme House of Cats
A place to share feline topics including questions, rescue, health, help, stories and pictures.
http://members5.boardhost.com/AcmeHouseOfCats/

Tiggers Tales Forums
Contains general cat interest forums and photo posting areas.
http://tiggerstales.com/cgi-bin/anyboard.cgi?cmd=ablist

Catkingdom UK Forum
Topics include general feline interest, breeder, and show topics. Based in the UK.
http://uk.catkingdom.org/

Feline Advice
General interest board for cat owners to share experiences and get assistance with their feline needs.
http://www.felineadvice.com/

Cat-World Cat Chat
Forums on nutrition, cat shows, purebreds, and general cat interest.
http://www.cat-world.com.au/forums/

UK Kittens
Group of breeders of pedigree kittens in the UK and for those seeking kittens to enrich their lives.
http://groups.yahoo.com/group/UKkittens/

Ask An Expert
Experts with pet care experience participate and answer questions from cat owners. Experts are rated based on answers given and pet owners can apply to become experts.
http://www.practical-pet-care.com/cat_forum.php

Kitty Caretakers Unite
Message boards, live chat, photos, links for feline health and spay/neuter resources.
http://groups.msn.com/KittyCaretakersUnite/_homepage.msnw?pgmarket=en-us

Understanding Cat Behaviour
A forum for the discussion of cat behaviour issues and problems.
http://www.understandinganimals.com/forum/index.php?board=2

Yahoo Groups: Novice Breeders Advice
Assistance for novice breeders. Post messages, photos, links and chat. Unmoderated forum and Yahoo profile required to join.
http://groups.yahoo.com/group/NoviceBreederAdvice/

Feline Angels
Topics range from general cat chate to feline behaviour, health and hazards, new cat advice, breeds and diet and nutrition.
http://com1.runboard.com/bfelineangels

CatKB
Share cat related knowledge and experience, ask questions, get advice on feline health and behavior, or search the forum database for information.
http://www.catkb.com/

JustFelinesHmm
Mailing group for members, that covers general health issues, breeding and showing. Includes list of kittens available and information on different breeds.
http://justfelineshmm.tripod.com/

Kitty Haven
Diverse selection of topics with interest in special needs cats and kittens, primarily those who have tested positive for FeLV and/or FIV.
http://p203.ezboard.com/bkittyhaven

PIF Tails
Online cat community which aims to support and advise cat owners, discuss declawing and alternative solutions to scratching problems, and general cat issues. Guest posting is welcome. Includes image gallery and articles.
http://www.piftails.com/

CatBanter
Web interface to the cat and feline related newsgroups. Covers information, anecdotes, behavior and health issues.
http://www.catbanter.com/

Cat Chat
Message boards covering health, behavioral, and other aspects of cat care.
http://p086.ezboard.com/bcatchatatcatstuff

The Pets Forums: Cats Forum
Information and discussion from cat care and behavior; rescue, stray and feral issues; cat show topics and breeder information; to scheduled chats and grief support from friendly experienced cat people. Free downloads available.
http://thepetsforums.com/forums/forumdisplay.php?f=11

Feline Paradise
Online community promoting feline care. Includes forum on health issues, care and training as well as an image gallery and related links.
http://www.felineparadise.com/

Cats and Kittens
Weblog devoted to cats and kittens. Includes articles about cat care, health, breeding, history, food, products and services.
http://www.cats-and-kittens.blogspot.com

Allexperts Cat Care Q&A
Volunteer feline experts answer questions about cat care, and maintenance.
http://www.allexperts.com/browse.cgi?catLvl=3&catID=1606