... but hope can be usefull to anyone
- WebDeveloper (developer toolbar)
- JSView (offer the ability to view the source code of external files)
- DOM Inspector (inspect & edit live the DOM of any page)
- FastVideoDownload (dowload .flv media from current page)
- FireShot (take screenshot)
- FoxyProxy (proxy manager, includes white/black list, etc...)
- BugMeNot (Bypass site registrations)
- ServerSpy (indicates what brand of HTTP server is running)
- LiveHTTPHeaders (view HTTP headers requests/responses)
- RefControl (check HTTP referer sent)
- Text/Plain (open select text as url)
- Snap Links (open multiple links in new tabs in 1 mouse move) (ff3 --> here)