I use Mozilla currently, and Firefox/Thunderbird occaisonally, so I've listed my current Mozilla extensions.
My current faves would have to be Mhenhy mail extensions, the GoogleBar and Web Developer extensions
So here's my top list of Mozilla Extensions:
Add Bookmark Here 0.5.5
Adsense
Preview 1.0
Amazing
Media Browser 0.15
Bookmark
Backup 0.3.3
Bookmarks Synchronizer 1.1.2
ChromEdit
0.1.1.1
CSSViewer 1.0.1
CustomizeGoogle 0.44
DOM
Inspector 1.8.0.1
Download Manager
Tweak 0.7.1
DownThemAll!
0.9.8.7
FireFTP 0.90.1.1
Flat
Bookmark Editing 0.7.5
FoxClocks
1.2.70
GeoURL 0.4
IE Tab 1.0.8
IE View 1.2.7
JSView 0.9.8
Live HTTP
Headers 0.12
MeasureIt 0.3.5
MinimizeToTray 0.0.1.2006022107+
MR Tech Local Install 4.2.3.1
refspoof 0.7.0
Regular Expressions Tester 1.0.3.5
Resizeable Textarea 0.1a
Reveal
1.0.6
SearchStatus 1.14
SEOpen 0.7
Tab Clicking
Options 0.6.3
User Agent Switcher 0.6.8
Web
Developer 1.0.2
