Review for Update Notifier by Simon
Rated 5 out of 5 stars
Amazing add-on. You don't even have to update your add-ons anymore! No hassle and I don't even have to know if they're upgraded (if you made it install when updates are avaliable).
Used this for months and no bugs as well. Grrrrreat!
To create your own collections, you must have a Mozilla Add-ons account.