JSW:O Alert Requires Restart
Receive alerts for "Jet Set Willy: Online" hosted games
South African English spell checker Requires Restart
The South African English spell checker allows you to use place names, borrowed words, and other expressions that are unique to South Africa.
"No more eina, just a lekker spell checker!"
XULMine Requires Restart
Game based on Minesweeper by Robert Donner and Curt Johnson.
Adds icons to buttons and/or menus.
SQLite Manager Requires Restart
Manage any SQLite database on your computer.
Firesizer Requires Restart
Allows you to resize the window to specific dimensions.
NOTE: Users of Firefox 29 and above must install "The Addon Bar" extension to use this, as Firesizer uses the add-on bar that has been removed in Firefox 29.
Displays a country flag depicting the location of the current website's server and provides a multitude of tools such as site safety checks, whois, translation, similar sites, validation, URL shortening, and more...
Fierr Requires Restart
Replaces the error page with a more stylish appearance with additional features.
FxIF Requires Restart
View EXIF data in image properties
TimerFox Requires Restart
Easily counts down from a predefined number and alarms you when the count has reached zero.
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.
Folder Pane Cell Selection Type Requires Restart
Since 20070806 the MailNews folder pane has switched from its previous cell text selection to the full row selection which the Mozilla Suite used to use.
ThunderBirthDay Requires Restart
Display birthdays from the Thunderbird addressbooks as events in Lightning.
TwittyTunes Requires Restart
Allows to post your currently playing songs to Twitter with a click. As a bonus, you can also post the websites you're visiting, videos you're watching and more!
AutoPager Requires Restart
AutoPager automatically loads next pages when you reach the end of a page. It works on a ton of sites,Google,Yahoo..
It works well with most other add-ons adblock plus, WOT and most of the greasemonkey scripts.
You can also try AutoPagerLite.
YesScript Requires Restart
FireTray Requires Restart
A system tray extension for Linux and Windows, allowing to set up custom icon, hiding to tray instead of closing, display the number of unread messages in mailing applications, and other features ...
Speed Dial Requires Restart
Direct access to your most visited websites
Ajustar Requires Restart
This extension adds a new button that adjust navigator window to page content.
Every web page has a width and height, and the navigator window usually is not fitted to the page content. With this extension you can read easier the web pages clicking ...
Provider for Google Calendar Requires Restart
Allows bidirectional access to Google Calendar