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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.

Not yet rated
12 users
Updated June 20, 2022

Metal Lion Image Saver Requires Restart

Single-click access to common actions for images (e.g. saving, copying, printing)

Not yet rated
9 users
Updated July 22, 2021

AMO Browsing for SeaMonkey

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.

Rated 5 out of 5 stars (6)
172 users
Updated April 13, 2021

ExtExp Requires Restart

Export your extensions!

Not yet rated
8 users
Updated Feb. 27, 2021

Fierr Requires Restart

Replaces the error page with a more stylish appearance with additional features.

Rated 5 out of 5 stars (48)
4 users
Updated Feb. 27, 2021

About Add-ons Requires Restart

Adds an About button to extensions, themes, and languages in the Add-ons list.

Rated 4 out of 5 stars (12)
14 users
Updated Feb. 27, 2021

TimerFox Requires Restart

Easily counts down from a predefined number and alarms you when the count has reached zero.

Rated 4 out of 5 stars (21)
1 user
Updated Feb. 27, 2021

GaiaFormat Requires Restart

An enhanced text formatter for GaiaOnline Forums, Private Messages, Guilds, and Profile comments.

Rated 5 out of 5 stars (3)
0 users
Updated Feb. 26, 2021

signTextJS

window.crypto.signText replacement

Not yet rated
2 users
Updated Jan. 26, 2021

Mail Redirect Requires Restart

Allow to redirect (a.k.a. "remail") mail messages to other recipients.

Rated 4 out of 5 stars (144)
4,627 users
Updated July 4, 2020

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.

Rated 5 out of 5 stars (847)
251 users
Updated June 18, 2020

PDF Viewer for SeaMonkey

A fork of PDF.js with support for SeaMonkey 2.49.x.

Rated 5 out of 5 stars (3)
496 users
Updated June 9, 2020

Custom Sender Address and Reply Requires Restart

Select sender mail address based on the recipient and reply with the same address

Rated 5 out of 5 stars (2)
14 users
Updated Nov. 6, 2019

Flexible Identity Requires Restart

Selects an identity based on the recipients list when sending an email

Rated 4 out of 5 stars (39)
349 users
Updated Nov. 5, 2019

DownThemAll! Featured

The first and only download manager/accelerator built inside Firefox!

Rated 4 out of 5 stars (2,898)
445 users
Updated Nov. 5, 2019

Stay-Open Menu

Facilitates opening multiple items from the Bookmarks Menu and various other bookmark/history related dropdown menus.

Not yet rated
1 user
Updated Sept. 3, 2019

RequestPolicy Continued

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.

Rated 4 out of 5 stars (28)
18 users
Updated Aug. 18, 2019

Year view Requires Restart

Year view for calendar.

Rated 4 out of 5 stars (56)
115 users
Updated June 26, 2019

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.

Rated 4 out of 5 stars (140)
1,469 users
Updated May 17, 2019

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.

Not yet rated
23 users
Updated March 30, 2019