Extensions by Name
QuoteCollapse Requires Restart
Collapse and expand quotes. Please see the extension homepage for further information.
Note that MozDev has shut down long ago (mailing list etc). Add-On homepage, source code and issue tracker are on GitHub, as linked on this page.
Show what I’m listening from RadioGNU
RadioGNU Protocol Requires Restart
Assists to setup a chat account for RadioGNU
Rage Hoye Requires Restart
Prevents you from sending offensive mails based on a keyword list
Rainbowpicker Requires Restart
Pick any color of the...
Random Theme Switcher Requires Restart
This extension switches your themes at random.
random(signature) Requires Restart
Updates a given signature file in regular intervals.
Re: Sort Requires Restart
Read2Me "speechify the web" Requires Restart
Webpage and email to speech extension using festival or any speech engine that can handle plain text files. This version has removed the option to use the embedded Flite-1.4 component on linux.
Readonly Attachments Requires Restart
Saves temporary files as read-only when showing attachments.
RealPrevNextButtons Requires Restart
Real previous & next buttons for message navigation.
RealPrevNextButtons for new Thunderbird versions Requires Restart
Real previous & next buttons for message navigation, updated to support Thunderbird versions through 10.x (and probably future versions). Tested with Thunderbird 9.0-10.0.2 on Ubuntu 11.10, Windows 7, Windows XP, and Mac OSX.
Received Requires Restart
Displays the "Received" header parsed with a regular expression.
Recipients Overview Requires Restart
“Who else got that mail?”
RedirectFilter Requires Restart
Redirect action in the filters.
Redmine連携 Requires Restart
ReFwdFormatter Requires Restart
Remove the ">" prefix from quote when you make a reply.
[Source code] https://github.com/isshiki/ReFwdFormatter
One-click reinstall last installed addon, useful when developping restartless addon
Reject Button 1.0 Requires Restart
Annoyed by receiving mails with missing or wrong subjects or meaningless message bodies? Simply reject them with the Reject Button Add-On and enforce proper e-mail etiquette at the cost of just a few friendships.
Reload Disabler Requires Restart
Disable user trigger get message event.