Digital Calvin and Hobbes
- Includes games, a discussion forum, and quotes. Allows users to create a comic strip.
- http://www.calvin-and-hobbes.org/

The Calvin and Hobbes Album
- Includes reviews, a radio show, and a search facility for fans to find specific information about the strip.
- http://mysite.verizon.net/vzesvylf/

The Calvin and Hobbes Jumpstation
- Lists character names around the world, and includes a 1995 Canadian radio show about the series.
- http://www.theheartofgold.org/jumpstation/

Gouri's 'Calvin and Hobbes' World of Fun
- Includes comics, quotes, and animations.
- http://www.gourismitha.com/CalvinandHobbes/

Calvin and Hobbes' Magical World
- Provides a lot of background information on Calvin and Hobbes and its author.
- http://home3.inet.tele.dk/stadil/calvin.htm

Simply Calvin and Hobbes
- Animations, comics, Calvinball, and downloads.
- http://www.simplych.com/

Calvin and Hobbes: Magic On Paper
- Large collection of articles, interviews, and various other media about the strip. Also features some pictures of the few legal Calvin and Hobbes collectors' items.
- http://ignatz.brinkster.net/calvin.html