Recently Updated Extensions
Foxfiltre Requires Restart
Adds a many graphic filters to the main context menu.
Anaglyph 3D Requires Restart
Convert image to 3d image (anaglyph).
cacaoweb Requires Restart
Watch videos without limit
Cache Offline Alert Restorer Requires Restart
Restores the alert when a website asks to store data for offline use.
F.B. Purity hides the ads, app spam and other annoying clutter from your facebook news feed, lets you increase the font size, change colours plus many more features and generally makes Facebook a lot less annoying to use.
Inspect JSON object from a URL or entered data.
Requires either DOM Inspector or DOM Inspector Plus! [dm] extension.
IE Tab V2 Requires Restart
Ported version of IE Tab V2 (Enhanced IE Tab) that is compatible with SeaMonkey 2. Based on IETab.net work.
The Book of Mozilla, 15:1 in Japanese
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.
Whois & Flags Firefox & Websites Popularity Rating Requires Restart
Display Country Flag indicating Website Physical Location (Country, State, City). Website Popularity (Live Visitor Statistics). Shows how many users are visiting any World Website per day. Website IP IPv6 Addresses, DNS, Hosting. IP Whois Lookup
Track Package Requires Restart
Track Packages from the right-click menu...
Preview lightweight theme when hover on menuitems in Apply Theme menu.
Pins a YouTube video to the page so that it is always visible while you scroll and read comments. Port of Chrome's Video Pinner extension
Prevent duplicate tabs. Allow only one tab for a url. If you click a link that is already opened in a tab, then existing tab would be focused instead of opening a new tab. This works even across firefox windows.
Paste to Tab and Go Requires Restart
Paste URL or text to any tabs or a new tab and load it immediately, like 'Paste & Go' feature, but unlike 'Paste & Go', this extension will paste text from clipboard to a tab without focusing on the tab first.
This simple script replaces Google grid navigation with old navigation bar.
Google+ Share for SeaMonkey Requires Restart
Share a URL in Google+ directly from SeaMonkey
Mailbox Alert Requires Restart
Mailbox Alert allows you to specify, for each seperate mail folder, a message, sound and/or a system command that will be executed when new mail is found there. ...
This add-on is intended to ease the life of the regular MEGA user.
Please note this extension is NOT the official from Mega, for the real one please go to: https://mega.nz/#firefox
LookOut+ Requires Restart
LookOut is a plugin which allows to interface with Microsoft's mail tools by decoding metadata and attachments encapsulated/embedded in a TNEF encoded attachment (aka winmail.dat).
This version is a fix for Seamonkey 2.*.