Mail Redirect Requires Restart
Allow to redirect (a.k.a. "remail") mail messages to other recipients.
Restart the current application, as you might need to do after installing a new extension or theme.
Filter Uploader for Adblock Plus (unofficial) Requires Restart
DOES NOT BLOCK ADS! Don't install this add-on if you don't know what 'uploading' means!
This add-on Uploads the filters from your Adblock Plus installation to a FTP, HTTP, HTTPS server...
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...
Custom Sender Address and Reply Requires Restart
Select sender mail address based on the recipient and reply with the same address
OverbiteFF Requires Restart
Quitomzilla Requires Restart
Quitomzilla helps you quit smoking while you surf the web or wait for new emails, showing the cigarettes, money and time you have saved since you quit...
Lets the user direct the submission of a form to a new tab or window. [Bug #17754]
Focus Regainer Requires Restart
Return focus from embedded object back to browser on browser hotkeys pressed.
ChatZilla Requires Restart
A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.
Year view Requires Restart
Year view for calendar.
TimerFox Requires Restart
Easily counts down from a predefined number and alarms you when the count has reached zero.
PONG! Multiplayer Requires Restart
Play a game of PONG! while you are waiting.
Copy As Plain Text Requires Restart
Removes formatting from copied text.
Focus Regainer Lite Requires Restart
Return focus from embedded object back to browser on browser hotkeys double pressed.
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.
AutoCopy_rebirth Requires Restart
Lightweight add-on that automatically copies any highlighted text to clipboard.
Lightbird Requires Restart
Standalone calendar UI for Lightning
AutoProxyMod Requires Restart
Based on original AutoProxy!
Gmail Manager NG Requires Restart
Based on Gmail Manager by Todd Long. This fork is intended to a supported version of Gmail Manager since Todd appears to have gone MIA. Manage multiple Gmail accounts and receive new mail notifications.