Extensions by Weekly Downloads
Lists installed add-ons (extensions, themes, plugins). Compatible version linked from the Developer comments section at the bottom of the addon's page.
Implement the "Sensitivity" header for outgoing messages (described in RFC 4021 section 2.1.55).
This allows the user to select Private / Personal / Company-Confidential (or none) for an outgoing message.
Cycle Input Focus Plus No Restart
Cycle through (text) inputs with a keycombo. Find and focus username and password fields (works great with external password managers, like KeePass). Based on the Cycle Input Focus add-on by P.C Spruijtenburg
Right click on selected or a link click search YouTube For Video of in the menu, a new tab will open with the searched text.
Easily insert flair into /r/CFB posts with a shorthand system.
A simple card file database using SQLite as the backend.
Remote Developer Tools Server No Restart
This addon provides options for starting the developer tools server. It is especially valuable in XULRunner Apps where there is no UI to start the server.
NOTE: This addon is not mandatory in Firefox or Thunderbird, as support is built in.
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/
Easily navigate through the long pages. This extension will generate clickable markers for all the headings of a page and places them proportionately on the scrollbar. This extension is a port of Chrome's 'Scrollbar of Contents' to Firefox.
Use KB for size in the thread pane
Facebook New Tab No Restart
Facebook™ New Tab lets you visit your Favorite Facebook™ quickly when a new tab is opened.
Tamil To Sinhalese Transliteration provide by Subasa Language Service
FM scene is the first add-on for the free browser Mozilla Firefox (and SeaMonkey) that makes all fansites of the FIFA Manager by EA Sports accessible with just one click. The FIFA Manager is a quite popular soccer manager simulation in Europe.
CopyPageInfo Plus is an Add-On to the firefox extension Scrapbook Plus by haselnuss or ScrapBook with XSidebar for Seamonkey. This is modified version of the original Add-On. Uninstall the original CopyPageInfo before you use this extension.
Get URL information: expand short URLs, get title and content type information without visiting the site.
UPDATE, AUG 2013: THIS EXTENSION IS NO LONGER SUPPORTED. The source is open - if you wish to take on the development, you're welcome.
Tools for working with rapidshare and links from other popular file hosting and sharing services.
Features: get rapidshare links from a page, test selected rapidshare links, search rapidshare files for selected terms, etc.
Fixes Windows backslash file separators in links and images and other types.
Crash Me Now! (Simple) No Restart
Crash yourself with ease