Folding@Home recently became 3 years old on October 1st! According to the Folding@Home site:

Folding@Home is now officially 3 years old. Coding for FAH 1.x started in early 2000, beta testing started in August, and we went live & public on October 1. Congrats to all who have made FAH a success.


As if that wasn't enough, they just recently passed the 120,000 active CPUs mark!

10/10/2003 F@H breaks 120,000 active CPUs!

OS TypeActiveTotal
Windows109913 473015
Mac OS X 358227287
Linux712941380
Total 120624541672
Active CPUS have returned WUs within 50 days.
Total devices registered (includinig Folding@Home 1) = 709075

Thanks to all who have contributed!