Recently Updated Extensions
BackupHelper Plus for ScrapBook Plus / XSidebar Requires Restart
BackupHelper is an Add-On to the firefox extension ScrapBook / ScrapBook Plus. This is modified version of the original Add-On. Uninstall the original BackupHelper before you use this extension.
tab-counter Requires Restart
shows the number of tabs in the status-bar
TheRealURL Requires Restart
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.
Soapy Requires Restart
Bypasses DNS-based censorship
NOTE: This was created as a SOPA protest in 2012. This does not work anymore for most sites. Use Tor instead.
Gmail Manager NG Requires Restart
Based on Gmail Manager by Todd Long. This fork is intended to a supported version of Gmail Manager since Todd appears to have gone MIA. Manage multiple Gmail accounts and receive new mail notifications.
Forwarding to the available information resources Requires Restart
The system is designed to redirect from alias with obsolete and invalid network and a local address information resources on the act for which the resource is available. The system can perform advanced search resources.
Adds Add-ons Sync Preferences to SeaMonkey 2.8
CannaFox Marijuana Add-On Requires Restart
SeedFinders CannaFox Marijuana Add-On connects the threads from 38+ homegrow forums worldwide with more than 4500 medical marijuana strains. You also can search and browse through seedfinders cannabis-strain-database directly from your sidebar.
QuoteCollapse Requires Restart
Collapse and expand quotes. Please see the extension homepage for further information.
Note that MozDev has shut down long ago (mailing list etc). Add-On homepage, source code and issue tracker are on GitHub, as linked on this page.
All mail from all accounts Requires Restart
Add a toolbar button to send and receive all mail from all accounts for Leopard theme.
Gfire WebGame Detection Plugin Requires Restart
This extension tells Xfire and Gfire about the webgame you currently play.
ZoneMinder Client Requires Restart
ZoneMinder Client is a Firefox Extension that provides toolbar buttons and other features to help you when connecting to your ZoneMinder Server.
CloseTab Requires Restart
Lightweight add-on which adds to right-click menu 3 items allowing to close current tab, open a new one and reopen closed one. Right-click anywhere on site instead of using keyboard or finding buttons.
Trueblock Plus Requires Restart
Trueblock Plus is a fork of the Adblock Plus extension for blocking unwanted advertisements on the web. This fork provides the exact same features as Adblock plus, with the unpopular, unwanted "acceptable ads" (non-)feature turned off by default.
PreviousPage Requires Restart
Shows previous page in the sidebar.
Console² Requires Restart
Save better history for fragment URLs.
Mailsleuth Requires Restart
Mailsleuth is a add-on for Thunderbird that provides you a full email header analysis of any email in your Inbox. This add-on is designed to provide a report on the email headers on any email you choose from your inbox. MAJOR updates for Feb 2013!
Proxy Tool Requires Restart
Proxy Tool - Powerful, yet User-friendly proxy tool to manage your proxies and anonymity needs, including: 46M+ user agents (world's largest), 10 different spoofed HTTP referrers, auto-proxy rotation, plus many more. Developed by http://ProxyList.co
Quitomzilla Requires Restart
Quitomzilla helps you quit smoking while you surf the web or wait for new emails, showing the cigarettes, money and time you have saved since you quit...