I found these sites using
StumbleUpon.
Open Source Freeware : 400+ free applications and utilities : eConsultant
It contains everything from anti-spyware to Video/TV/DVDs Freeware Utilities.
There are also more than 450 freeware (non-open source) utilities listed at:
I want a Freeware Utility to ... 450+ common problems solved : eConsultant
Again, it contains everything from Anti-Spyware/Anti-Virus/Anti-Rootkit Freeware Utilities to Windows Explorer Replacements/Shell Extensions Freeware Utilities.
It certainly is worth visiting the two sites if you are looking for a free program to do a certain job for you.