Add-ons
Miscellaneous
Sort by:
Mail Redirect
Requires Restart
Allow to redirect (a.k.a. "remail") mail messages to other recipients.
No Close Other Tabs
OverbiteFF
Requires Restart
Add legacy protocol support back to Firefox and SeaMonkey with OverbiteFF, which restores support for Gopher servers, plus CSO/ph searches, finger, whois and more! Cross-platform JavaScript runs anywhere Firefox does.
HostIP.info Geolocation Plugin
Requires Restart
Displays Geolocation information for a website using hostip.info data. Works with all versions of Firefox...
PlayFlash 64bit
Requires Restart
Flash player plugin - unofficial xpi repack for 64bit browsers. Use when official plugin installer is not suitable. All binary files are copyrighted by their authors and distributed for free.
About:about Button
A button that lists all the about pages that exist. Some of these pages are also provided as separate buttons.
Find In Textarea
GNOMErunner/GTK for Seamonkey 2.x
Requires Restart
GNOMErunner/GTK - a classic unix theme for Seamonkey 2 (aka suiterunner)
using the GTK+ stock items and icons from the gnome iconset, resulting in a more consistent desktop integration on Unix.
TimerFox
Requires Restart
Easily counts down from a predefined number and alarms you when the count has reached zero.
SyncKolab
Requires Restart
SyncKolab can synchronize your calendar, address book and tasks against an IMAP server in Kolab formats version 1 (vCard/iCal) or version 2 (XML) or turn your Thunderbird/Lightning into a native Kolab Client (http://kolab.org).
PlayFlash 32bit
Requires Restart
Flash player plugin - unofficial xpi repack for 32bit browsers.
Use when official plugin installer is not suitable.
All binary files are copyrighted by their authors and distributed for free.
Free Memory Button
Mouse Gestures Suite
Requires Restart
Mouse gestures for SeaMonkey & Firefox: navigate & execute commands using mouse gestures (with single mouse button) and rocker gestures (by pressing 2 mouse buttons). Also: scroll wheel navigation, page scrolling, tab scrolling.
MoveThrobber
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...
AutoPager Fixed
Requires Restart
AutoPager Fixed is a working version of AutoPager extension for Firefox 36+ (non-E10s mode) to autoload the next page(s) when you scroll pages.
ATTENTION: DISABLE THE ORIGINAL AUTOPAGER ADDON!
Focus Regainer
Requires Restart
Return focus from embedded object back to browser on browser hotkeys pressed.
To create your own collections, you must have a Mozilla Add-ons account.
