Free PC Tools

• OpenOffice
  • Complete Office Suite.  Has everything the others have, but this one is (and always will be) free.
• Zone Alarm Firewall
  • The best free firewall available. 
• AVG Anti-Virus
  • Free for one year.  Registration required.  I hear it nags about renewing a little when the time comes, but if you have nothing else, you need it.
• Spybot Search & Destroy
  • Probably the best free spyware removal tool out there.
• Lavasoft's Ad-Aware
  • Another great free spyware removal tool. 
• PC Pitstop
  • Free on-line PC checkup.  Registration required, but free.
• The GIMP
  • The best free image editor.
• AxCrypt
  • Password protect and encrypt any file.

Shopping Deals

• DealSea
  • Tons of great deals from all over the web.
• Tech Bargains
  • More great deals from all over the web.

Information

• Merriam-Webster
  • Online dictionary and thesaurus.
• Snopes
  • Urban Legend Reference.  Find out if the e-mail you are about to forward is real before you send it out to everyone you know.
• World Time Server
  • Find out the time anywhere in the world.