Tamenagerie: Melissa has written innumerable descriptions about her collection of Virtual Pets, the pictures will also keep you busy for hours :-)
Tamagotchi: Extensive website from a German Tamagotchi fan.
Tamago: Japanese website by an illustrator, check out his great Tamagotchi artwork and pixels (also if you don't understand any Japanese ;-)
TamaTalk: Want to talk to other Tamagotchi parents or do you have questions? Leave a message at the TamaTalk forum.
Bladeagotchi: All you want to know about Giga Pets, Tamaotch and the newest Tamagotchi. Including photos!
Mimitchi: Offers information about the older Tamagotchi and Tamagotchi School.
Tamagotch Channel: Bandai website about all the cute Tamagotchi Characters that have been released before 2000.
Tamagotch Channel: Everything you need to know about the new Tamagotchi. The site is in Japanese, but the pictures are worth watching!
TamaTown: Bandai website about Tamatown and the latest Tamagotchis.