Urgo's list of April Fools' Day Jokes on Websites
- List of annual (since 2004) online pranks on April 1st as submitted by users.
- http://aprilfools.urgo.org/

The Kremvax Hoax
- Describes story of how the USSR joined the Internet in 1984. Include original usenet posting and followup. Maintained by the perpetrator himself.
- http://www.godfatherof.nl/kremvax.html

April Fools Practical Jokes Gag Gifts
- Contains a list of pranks from 1990 to present day. Also includes ideas for gag pranks.
- http://www.april-fools.us/

All-4-Free Freebie Tree
- Provides pranks, jokes, and downloadable freebies.
- http://www.all-4-free.com/specials/aprilfools.html

April Fools' Special: History's Hoaxes
- National Geographic compilation that includes explanation of how some hoaxes were done, how they were spread, and eventually debunked. Includes definition and history.
- http://news.nationalgeographic.com/news/2003/03/0331_030401_aprilfool.html

April Fool's Day Prank Software
- Offers free harmless joke and prank software.
- http://www.rjlsoftware.com/software/entertainment/

Microsoft Buys the Open Directory -- or Not
- Information about 2002 "acquisition" of the ODP by Microsoft. Includes a screen shot of what the main web page looked like.
- http://www.pandia.com/sw-2002/11-god.html

April Fools on the Net
- An archive of net humor, pranks, jokes and foolishness.
- http://www.2meta.com/april-fools/