Most Popular Extensions
Web Server Check Tool Requires Restart
A tool to perform basic checks on web and DAV servers.
Remember Mismatched Domains Requires Restart
The Remember Mismatched Domains extension for Firefox and Thunderbird adds a "Don't warn me again about this certificate for this domain" checkbox to the Domain Mismatch and Expired Certificate warning windows. When selected the domain...
Korrigiert ärgerliche und den Lesefluß hemmende Schreibweisen auf Webseiten. Kann auch auf die in der Schweiz übliche Schreibung angepaßt werden.
This extension makes browsing for extensions easier at addons.mozilla.org. It fixes incorrect information about some extensions being not available for SeaMonkey and adds links to the Add-on Converter where needed.
From/To Column Requires Restart
Add a “From/To” column which shows the recipient if you are the sender.
Toolbar panel for restarting the application with(out) multiple processes and for changing the maximum number of content processes (this requires Firefox 49 or newer).
Display the graph created by cycle collector. Open "about:ccdump" page after the installation.
Expiry Canary Requires Restart
An extension to warn about nearly-expired website SSL certificates.
This simple addon probably needs updating for the upcoming changes in Firefox; however, I'm afraid I don't have time to learn the new stuff. If you can maintain it, contact me!
All the great features of /u/RemindMeBot in a quick and easy to use extension!
Focus Regainer Lite Requires Restart
Return focus from embedded object back to browser on browser hotkeys double pressed.
Right Click Watch Ignore Requires Restart
Adds "Watch Thread" and "Ignore Thread" to right click context menu in Thunderbird and Seamonkey.
Quick access to add-on functions from a toolbar panel: Options, (De)Activate, Details, Home page, Review page, Donation page, Uninstall, Restart application.
Bugmail Requires Restart
This extension adds bug status to the header pane. It currently supports Bugzilla, Trac, Flyspray and Launchpad.
foxmeter Requires Restart
An HTTP analyzer addon for Firefox, fork from HttpFox with features like: summary by host, and more coming soon
Hindi Pop up Requires Restart
After installing this extension, just hover the mouse on top of an English word and a pop-up will appear with suggestions of possible hindi equivalents.
Removes all the junk from New Google Reader and just gives you the search and collapsable subscriptions + favicons. By DemianGod
Also you can install the Script for GreaseMonkey.
Download from: http://userscripts.org/scripts/show/30242
Subasa Tamil to Sinhala Transliteration Requires Restart
Tamil To Sinhalese Transliteration provide by Subasa Language Service
MinimizeToTray For FF 3.5 Requires Restart
MinimizeToTray For firefox 3.Minimizes Mozilla windows into the system tray.Note:I am going to remove this extension if the original creator make a FF 3 version!
Use SeaMonkey as a standalone e-mail client. Set up a default browser for links opened from Mail & Newsgroups.