» The Top 100 April Fool's Day Hoaxes of All Time    An illustrated list, by Alex Boese.    http://www.museumofhoaxes.com/hoax/aprilfool/

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

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

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

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

» 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

» 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

» 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

» 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/