Up & Coming Extensions
Adds an about:addons-memory page that details add-on memory usage
Stylish Requires Restart
Restyle the web with Stylish, a user styles manager. Stylish lets you easily install themes and skins for Google, Facebook, YouTube, Tumblr, and many, many other sites. You can even customize Firefox and other programs themselves.
Email This! Requires Restart
Email This! will send your recipient the link, title, & highlighted text of the page you are viewing using GMail, Google Apps GMail, Yahoo, and Stand-Alone Mail Clients like Outlook Express, Thunderbird, & More!
Restores version numbers for all installed add-ons inside Add-on Manager on Firefox, Thunderbird and Seamonkey.
Clean Subject Requires Restart
"Clean Subject" cleans the subject from multiple occurrences of subject prefixes such as ("Re: Re-2: Re:") and postfixes that are inserted by other clients. Words like "[SPAM]" can be cleaned as well. These prefixes can be defined in the preferences.
ImageTweak: zoom/rotate images and videos! Requires Restart
A no-clutter image viewer for Firefox that allows you to zoom, rotate and display images/videos against a custom background. ImageTweak is a must-have addon for any photographer or photography-loving user.
1-click Online Document View Requires Restart
Open DOC, DOCX, PDF, PPT, PPTX and TIFF files linked in any webpage directly with Google Docs viewer using "1-click Online Document View", with a single left-click of your mouse / trackpad!!
Duplicate This Tab Requires Restart
This add-on provides the much needed feature update of Tab Duplication to Mozilla Browsers. Features Supported include Duplication of Browser Tabs, Detaching Tabs and Merging All Windows.
Nightly Tester Tools Requires Restart
Useful tools for the nightly tester.
The Add-ons Manager slims down!
This add-on reduces the height of entries in the Add-on Manager, so you can display more of them at a time.
Mailbox Alert Requires Restart
Mailbox Alert allows you to specify, for each seperate mail folder, a message, sound and/or a system command that will be executed when new mail is found there. ...
Adds private tabs.
HTML5 Loop Requires Restart
Loop HTML5 Video and Music.
DownThemAll! AntiContainer Requires Restart
Make the resources behind container pages easily downloadable by DownThemAll!
Télécommande Virtuelle Freebox Révolution V6/HD V5 Requires Restart
Un clic sur l'icone de télécommande visible dans la barre des modules fait apparait une télécommande plus grosse en bas à droite de la fenêtre de Firefox. Celle-ci permet de piloter votre Freebox Révolution V6 ou HD V5.
HabuL Requires Restart
Reports spam to the SpamCop, the FTC, FDA, SEC, ACMA and/or Knujon.com. It also allows you to put in your own custom addresses to report spam to such as your ISP or corporate abuse address.
Add RSS icon into URL bar
Addons Recent Updates Requires Restart
Show more addons recent updates
IMAP Received Date Requires Restart
Make the “Received” column in IMAP folders show when messages were actually received.
Show the contents of the Bookmarks Toolbar in a drop down menu. This compresses the bookmark menu into one button that you can put on any toolbar you want to.