Recently Updated Extensions
This Addon is needed to sync your Android based smartphone with Thunderbird with the Software "MyPhoneExplorer"
Metal Lion Image Saver Requires Restart
Single-click access to common actions for images (e.g. saving, copying, printing)
This extension makes browsing for extensions easier at addons.mozilla.org. It fixes incorrect information about some extensions being not available for SeaMonkey and adds links to the Add-on Converter where needed.
ExtExp Requires Restart
Export your extensions!
Fierr Requires Restart
Replaces the error page with a more stylish appearance with additional features.
About Add-ons Requires Restart
Adds an About button to extensions, themes, and languages in the Add-ons list.
TimerFox Requires Restart
Easily counts down from a predefined number and alarms you when the count has reached zero.
GaiaFormat Requires Restart
An enhanced text formatter for GaiaOnline Forums, Private Messages, Guilds, and Profile comments.
Mail Redirect Requires Restart
Allow to redirect (a.k.a. "remail") mail messages to other recipients.
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.
A fork of PDF.js with support for SeaMonkey 2.49.x.
Custom Sender Address and Reply Requires Restart
Select sender mail address based on the recipient and reply with the same address
Flexible Identity Requires Restart
Selects an identity based on the recipients list when sending an email
The first and only download manager/accelerator built inside Firefox!
Facilitates opening multiple items from the Bookmarks Menu and various other bookmark/history related dropdown menus.
Be in control of which cross-site requests are allowed. Improve the privacy of your browsing by not letting other sites know your browsing habits. Secure yourself from Cross-Site Request Forgery (CSRF) and other attacks.
Year view Requires Restart
Year view for calendar.
MinimizeToTray Reanimated Requires Restart
MinimizeToTray Reanimated is an application mainly dedicated to Thunderbird to allow its minimization in the systray in one click. It is the update of MinimizeToTray Revived, which is not maintained anymore since the recent versions of Thunderbird.
Autoplay Toggle NonRestartless Requires Restart
This extension performs the same function as Autoplay Toggle, but as a legacy overlay extension. This should work in cases where Autoplay Toggle doesn't. SeaMonkey and Pale Moon are supported.