Most Popular Extensions
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Mailsleuth Requires Restart
Mailsleuth is a add-on for Thunderbird that provides you a full email header analysis of any email in your Inbox. This add-on is designed to provide a report on the email headers on any email you choose from your inbox. MAJOR updates for Feb 2013!
TheRealURL Requires Restart
Get URL information: expand short URLs, get title and content type information without visiting the site.
UPDATE, AUG 2013: THIS EXTENSION IS NO LONGER SUPPORTED. The source is open - if you wish to take on the development, you're welcome.
Focus Regainer Requires Restart
Return focus from embedded object back to browser on browser hotkeys pressed.
Paste to Tab and Go Requires Restart
Paste URL or text to any tabs or a new tab and load it immediately, like 'Paste & Go' feature, but unlike 'Paste & Go', this extension will paste text from clipboard to a tab without focusing on the tab first.
MintIt Button for MintShow Requires Restart
Send images to your MintShow account quickly and easily with MintIt Button for MintShow.
Słowniczek Requires Restart
Adds to context menu web dictonaries: Ling.pl, Dict.pl, Diki.pl, Angool.pl, MegaSłownik, Onet.pl: Tłumacz and Synonimy.pl
Orkut Toolbar Requires Restart
Orkut Toolbar helps you to format the text of your posts in the Orkut forums, easily access all common functions of orkut, create and manage custom signatures and insert and view images and flash movies in orkut posts and scraps.
Bitacora Requires Restart
Shows an icon on the status bar when the mouse cursor is over a link to a page you bookmarked or visited before. Update for fcp's addon
CannaFox Marijuana Add-On Requires Restart
SeedFinders CannaFox Marijuana Add-On connects the threads from 38+ homegrow forums worldwide with more than 4500 medical marijuana strains. You also can search and browse through seedfinders cannabis-strain-database directly from your sidebar.
MDN Interface Documentation Generator Requires Restart
Generate MDN Interface Documentation from IDL files.
MR Tech Disable XPI Install Delay Requires Restart
Disables default delay when installing...
ALLYouTubeDownloader Requires Restart
ALLYouTubeDownloader extention (FLV/MP4/WebM; HD/HQ). Windows only. Works only with ALL YouTube Downloader 2.3 application or higher (versions 2.2 and lower doesn't work anymore).
Homepage: http://www.allplayer.org/youtube-to-allplayer
UrlParams Requires Restart
Shows you the GET and POST parameters of the current website in the sidebar...
Flashblock Ultimate Alt Zero Requires Restart
This extention allow to remove focus from embedded flash object by pressing Ctrl+Esc or Ctrl+F12 (see mozilla superbug: 78414) and move focus back by Alt+Esc or Alt+F12
USE THIS INSTEAD: https://addons.mozilla.org/en-US/firefox/addon/focus-regainer/
Expiry Canary Requires Restart
An extension to warn about nearly-expired website SSL certificates.
This simple addon probably needs updating for the upcoming changes in Firefox; however, I'm afraid I don't have time to learn the new stuff. If you can maintain it, contact me!
To create your own collections, you must have a Mozilla Add-ons account.