Neopets

Official site where you can create and grow a cyberpet. Contains games, chatrooms, news, and message boards. Requires free registration.
http://www.neopets.com/

NeoItems

Offering an extensive database of items found in Neopia, tips for quests, help for beginners, printable checklists, free tiled backgrounds, a shout box, and a forum.
http://www.neoitems.net/

How to Avoid the Scammers

Information on how to keep safe from bad Neopians.
http://www.angelfire.com/wizard/neopet_scammers/index.html

Neopets Information Website

Up to date news, Neggs guide, and fun images.
http://www.angelfire.com/games5/skgames/

NeoHelp

Site offers an overview of and about the game.
http://www.freewebs.com/windmaker3000/

No You Were Not Hacked

Offers Neopians advice on how to keep their accounts safe from harm.
http://home.neopets.com/templates/homepage.phtml?pet_name=NoYouWereNotHacked

Lozza's Site

Offers guild layouts only requirement is a link back.
http://www.freewebs.com/lozzrina

Twinkling Tink

Provides guild layouts, lookups, backgrounds and blogs.
http://www.twinklingtink.com/

Neomaniac

Offers adoptions, pet training, and rules.
http://www.freewebs.com/noemaniac/

Neopet Lovers Place

News, safety tips, list of shops and allies, art, free graphics, music, and adoptables, wishing well, shout box, and guild information, forum, donations, contests, and story telling are available.
http://www.nlplace.com/

Best of Neopets 404s

Offers a view of 404 pages that occur within Neopets.
http://home.neopets.com/templates/homepage.phtml?pet_name=BestOfNeopets404s