AutoPager Fixed Requires Restart
AutoPager Fixed is a working version of AutoPager extension for Firefox 36+ (non-E10s mode) to autoload the next page(s) when you scroll pages.
ATTENTION: DISABLE THE ORIGINAL AUTOPAGER ADDON!
Highlighter Requires Restart
Quickly highlight some text in Thunderbird message composing windows.
FiltaQuilla Requires Restart
Adds many new mail filter actions - launch a file, suppress notification, remove star or tag, mark replied or unread, copy as "read", append text to subject.
MinimizeToTray Requires Restart
Minimizes Mozilla windows into the system tray. Also includes a right clickable tray icon menu to further load only the windows you want visible...
Reinstates the extensions.checkCompatibility preference.
Free unused memory that Firefox is currently using.
Toggle Word Wrap Requires Restart
Toggle word wrapping and PRE element wrapping in the message composition and HTML display windows, respectively.
SyncKolab Requires Restart
SyncKolab can synchronize your calendar, address book and tasks against an IMAP server in Kolab formats version 1 (vCard/iCal) or version 2 (XML) or turn your Thunderbird/Lightning into a native Kolab Client (http://kolab.org).
Lets the user direct the submission of a form to a new tab or window. [Bug #17754]
Year view Requires Restart
Year view for calendar.
BBCodeXtra Requires Restart
BBCodeXtra is an extension, compatible with Mozilla FireFox and Seamonkey, which adds to the context menu new commands to insert BBCode/Html/XHtml codes in an easy and fast way...
Send Filter Requires Restart
This add-on allows you run your message filters automatically on outgoing messages after sending. In other words, it's a outgoing filter for thunderbird and seamonkey.
PlayFlash 32bit Requires Restart
Flash player plugin - unofficial xpi repack for 32bit browsers.
Use when official plugin installer is not suitable.
All binary files are copyrighted by their authors and distributed for free.
Lightbird Requires Restart
Standalone calendar UI for Lightning
OverbiteFF Requires Restart
Sun Cult Requires Restart
Worldwide Sunrise, Sunset, Twilight, Moonrise and Moonset...
AutoProxy-ng Requires Restart
This is a fork of AutoProxy, which can run the latest version of Firefox.
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.
Copy Sent to Current Requires Restart
Allows to place a copy of sent messages (aka FCC) into the currently active folder or any other folder you choose, when you create the message. Usually the copies are placed into the 'Sent' folder. For replies, you may also move the original message.
Extension Auto-Installer is a helper for Firefox/SeaMonkey/Thunderbird extension developers: it allows automatically adding or updating browser extensions, e.g. via command line tools. This makes testing your changes easier.