List your Favourite firefox extensions...

I knowthat everyone know loves firefox because it provide you many features in the form of extensions.so, i am listing my favourite extensions.Review it and list yours also.

1.gmail manager - which manages all your gmail accounts
2.Noscript
3.Aging tabs - fads out other unselected tabs
4.BugMeNot - www.bugmenot.com extension..login in any site...
5.Dog Ears - mark in page while you read.
6.DownloadHelper
7.FasterFox - make fasts you firefox
8.StumbleUpon - great extension which gives you random site of your interest whcih even you don't know!
9.Tab X - puts close button on each tab.
10.Text marker - highlight text
11.Yoono - share your bookmarks with online network.It helps you find new pages related your bookmarks.

Please write yours also.List your favourite extensions here.I also want to get new extensions for my Firefox afterall!