I do use a lot of addons while I play and I often get asked by people what I use and what they are all for.

This list changes very frequently so I can't promise this is up-to-date, but it should be pretty close. You also might be interested in my AddonUpdaters page.

Addon List 1

Addon List 2

Sorry for the multiple pages, but with all the extra info (name, notes, author, etc.) there are too many for a single Wiki page. Oh well...