Add-ons
Miscellaneous
Sort by:
Add-on Preferences Button
Displays a menu that allows you to open the option/preference window for any add-on that has one.
Session Manager
Session Manager saves and restores the state of all or some windows - either when you want it or automatically at startup and after crashes. It can also automatically save the state of open windows individually.
ChatZilla
Requires Restart
A clean, easy to use and highly extensible Internet Relay Chat (IRC) client.
Notification Storage
Requires Restart
Provides the Notification Storage service which is missing from SeaMonkey 2.24-2.32
Toggle Development Profile Prefs
Toggles Development Profile Preferences On When Enabled And Off When Disabled.
Export for Thunderbird & Lightning Launcher
Requires Restart
Export for Thunderbird & Lightning is the worldwide unique printing and exporting solution for Mozilla Thunderbird and Lightning for Windows.
Multi lingual user interface: English, German, French and Spanish
Diagnostics for Adblock Plus
Diagnostics tool for Adblock Plus, provides some insight into internal processes of Adblock Plus.
HostIP.info Geolocation Plugin
Requires Restart
Displays Geolocation information for a website using hostip.info data. Works with all versions of Firefox...
Find In Textarea
Manually sort folders for SeaMonkey
Requires Restart
This extension allows you to manually sort (order) your folders in the folder pane of SeaMonkey Mail or automatically sort them, but in a better way. This extension also allows you to re-order accounts in the folder pane.
Crash Me Now! (Simple)
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.
Backslash to Forward slash
Firefox does not convert backslash to forward slash in URL automaticaly and does not open the link. This add-on corrects the URL with backslash and open page.
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.
To create your own collections, you must have a Mozilla Add-ons account.
