Flashblock Ultimate Alt Zero Requires Restart
This extention allow to remove focus from embedded flash object by pressing Ctrl+Esc or Ctrl+F12 (see mozilla superbug: 78414) and move focus back by Alt+Esc or Alt+F12
USE THIS INSTEAD: https://addons.mozilla.org/en-US/firefox/addon/focus-regainer/
Reopens the last closed tab.
Unpacked extension loader Requires Restart
This addon should be useful for addon developers who prefer to work with unpacked exentsions for test purpose.
Size in KB Requires Restart
Use KB for size in the thread pane
Share to Google+ Page Requires Restart
Share to your Google+ Profile or Google+ Page with just click of a button.
Scrapbook X CopyPageInfo Requires Restart
Copies the information from ScrapBook data items.
Prevent accidental interaction with tab contents
A button that lists all the about pages that exist. Some of these pages are also provided as separate buttons.
Free unused memory that Firefox is currently using.
Diagnostics tool for Adblock Plus, provides some insight into internal processes of Adblock Plus.
superbar Requires Restart
No Close Other Tabs Requires Restart
Removes "Close other tabs" context menu item.
Web Cache View Plus Proxy Requires Restart
Displays a web cache and/or web proxy view of a web page. You can call it from menu of tab, page context, link context and maybe while page loading.
Display mailing list header Requires Restart
This extension implements RFC 2369 for Thunderbird: Special mailing list header fields in the mail are parsed, and the links are displayed in the extended header view. You can click them to simply go to the archive, request help or unsubscribe.
EzStylist Requires Restart
Allows including CSS when composing e-mails.
Crash yourself with ease
Dooth Requires Restart
Dooth passphrase decryption
Scans hyperlinks in composed messages and alerts if one of the hyperlinks is broken.
Preferential (New GUID) Requires Restart
Advanced preferences manager for Mozilla-based...
CardDAV Browser Requires Restart
A utility to browse vCards stored on a CardDAV server.