The following is a list of valuable internet resources.

Frequently Asked Questions - check here to see if you can find your answer.
kmw's Rat FAQ
RMCA FAQ

Care Information - how to properly care for your rats.
Rat Care Guidelines at ratsrule.com
Suebee's Rat Diet
RFC: Helpful Info
RMCA Drug Chart
Rat Medication Guide from RatGuide.com
Cedar and Pine Toxicity
Cage Calculator
UK Cage Calculator, Brand Names Included
The Importance of Proper Quarantine
RMCA Article on Quarantine
Rat Health Checks - Regular home health checks are a good idea!
Mycoplasma Research Results by Melanie
Ratguide.com
RatGuide: Introducing Rats
RFC: Introducing a New Rat
AFRMA: Trust Training
RFC: Trust Training
Sexing Baby Rats
A photograhic journal of rat development from birth to 4 weeks from Bellaratta's Nest

Vet Referrals - finding a good vet before you need one is vital.
Rat Fan Club: How to Find a Good Rat Vet
Rat Fan Club: Vet Referral List
RMCA: Vet List
The Royal College of Veterinary Surgeons Vet search engine

For Vets recommended by forum members, check these threads:
North America (US & Canada)
International

Dealing with Allergies - some people find that they are allergic to rats. Here are some links to help you deal with them
Coping With Allergies to Rats


Breeder Directories - find a breeder in your area.
International Rodent Fancy Directory
Just Rats: Breeders
RMCA Breeder List
Rat Kitten Register (UK)
The Rat Rehoming Register (UK)

Breeding Information - not something to be taken lightly.
THE MOST IMPORTANT LINK: Should I Breed My Rats?
Rat Fan Club
RMCA
 
Shopping!
Martin's Cages
For your rat shopping needs, check the Pet Stores. Purchases made through those links help support our community!
 
Build Your Own Cage!
Grotto Style
Storage Bin Style
Camelot Style
Mansion Style
Bookshelf Style
Plastic Tub Cage
 
Breeder and Rescue Lists
International Rodent Fancy Directory
RMCA Breeder List
Ruthie-chan's World
 
Rat Varieties and Standards
AFRMA
RMCA

 
More Links
Suebee's Rat Names
Rats Rule

Many thanks to Ruthie-Chan for having a back-up copy of the links on her site! I'm making a backup for myself RIGHT NOW.

9/6/08 edited by Scout to remove some dead links.