To fastest your browser to surfing internet without extension gif.
pass-manager Requires Restart
Replace integrated password managers storage with zx2c4's pass (www.passwordstore.org)
Signature Fixer Requires Restart
Fixes the Signature Stacking bug for Forwards/Replies.
nntpthreads Requires Restart
Nntpthreads lets you add up to four new buttons in the toolbar to easily access the menu item from "View > Threads"...
Year View Requires Restart
This is an example extension that adds a simple year view to Sunbird/Lightning.
Note that freebusy information is only provided if all calendars are cached. See long description for more info. Also, Calendar 1.0pre with bug 489590 fixed is required.
Wunderlist Task Button Requires Restart
Non-official addon for Wunderlist. Easily transform a mail into a task for Wunderlist with a single click.
Website Blocker Requires Restart
Block websites you don't want the browser to get into.
Block by a whole domain name or a specific address.
Block until further notice or until a certain date.
Tabbed Mail Preferences Requires Restart
Enhances control over some aspects of tabbed mail browsing.
PassToScript extension Requires Restart
Extension to pass e-mail in eml (raw) format directly to the script specified
Boomerang Requires Restart
Boomerang E-Mail is an Add-on for the Thunderbird E-Mail-Client and is based on the Boomerang e-Mail algorithm (patent pending).
It provides functionality to send a certain e-mail (including attachments) to several recipients one after the other and...
Expertspam Requires Restart
Report spam, false-positives or phishing back to your antispam provider.
Nightly Tester Tools Lite Requires Restart
This is a cut down version of Nightly Tester Tools by Mossop, which is 77.6 KB. I've only included the "copy build id" and "build id in titlebar"...
Purge Events Requires Restart
Purge events from Sunbird and Lightning calendars
Add-on has now been discontinued, see below.
Cairo-Dock unread messages Requires Restart
Displays the number of unread messages in all inboxes on your dock.