Minimal amount of addons for decent browsing. Installed for other people.
Blocks annoying video ads on YouTube, Facebook ads, banners and much more.
Adblock Plus blocks all annoying ads, and supports websites by not blocking unobtrusive ads by default (configurable).
Session Manager saves and restores the state of all or some windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.
British English Dictionary R1.19 for Firefox, Thunderbird and SeaMonkey by David Bartlett.
To enable, right-click in a multi-line text box, select "Languages", then "English / United Kingdom".
Select the default URL when new tabs are opened.
The options are: "A blank page", "The home page", "The current page" or a user defined URL.
When there is an URL in the clipboard, it is also possible to open automatically that URL in the new tab.
Automatically get the lowest price when you shop online or search for flights. InvisibleHand shows a discreet notification when a better price is available on a product or flight you're shopping for. Covers over 580 retailers in the US, UK & Germany.
Favicon Restorer brings the website favicons back into the Location Bar in Firefox 14 and above.
This extension also restores the old "blank document" default favicon on new/blank Tabs and Bookmarks.
Simply adds "Duplicate Tab" to tab context menu.