Search Engines

• Google.
• ProFusion.
• AltaVista.

Miscellaneous References

• Links to US Museum Sites.
• The Smithsonian.
• Urban Legends.
• Common Errors in English. Click here for the actual list.
• Delphion Patent Search.

Dictionaries

• Dictionaries, via Yahoo.
• Merriam-Webster Dictionary.

Zip-code Finders

• United States Postal Service.
• cedar National Address Server.

Maps

• MapBlast.
• MapQuest.

Anagram Solvers

• Anagram solver 1.
• Anagram solver 2.
• Anagram solver 3.

Chemistry

• Periodic Table.