Add-ons
Newest Extensions
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uBlock Origin
An efficient blocker. Easy on CPU and memory. New and updated filter list added.
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.
Metal Lion Image Saver
Requires Restart
Single-click access to common actions for images (e.g. saving, copying, printing)
ExtExp
Custom Sender Address and Reply
Requires Restart
Select sender mail address based on the recipient and reply with the same address
AutoCopy_rebirth
Requires Restart
Lightweight add-on that automatically copies any highlighted text to clipboard.
Stay-Open Menu
Facilitates opening multiple items from the Bookmarks Menu and various other bookmark/history related dropdown menus.
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.
PDF Viewer for SeaMonkey
A fork of PDF.js with support for SeaMonkey 2.49.x.
Theme Font & Size Changer for ThunderBird
Theme Font & Size Changer lets you change the global font size and font family used for the user interface in Firefox. Design your browser with your favorite font.
Dark Background and Light Text (SeaMonkey)
Makes every page to have light text on dark background (exact colors are customizable)
Firefox version is here: https://addons.mozilla.org/firefox/addon/dark-background-light-text/
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.
Composer Open In
Requires Restart
Adds a toolbar button to Composer to open the current file in another editor or browser.
fixedzoomthumb
Requires Restart
Shows Desktop size image when you hover over a thumbnail .Works with many sites including Amazon, Facebook, Flickr, YouTube.
Vault Shortcut
Requires Restart
Adds a toolbar button that opens the LastPass Vault in an external browser.
Addons Memory Usage - Button
Requires Restart
Add toolbar button for about-addons-memory-pm
But not only, also provide shortcuts for :
- Free Memory (needs free memory button)
- Abouts list page (about:about)
- Plugins page (about:plugins)
github.com/intika/about-addons-memory-pm
Library Exporter
Requires Restart
IMPORTANT: This add-on is just for exporting ebooks from EPUBReaders private library. If you want to read ebooks, please install https://addons.mozilla.org/firefox/addon/epubreader/.
techblocker
Integrated Authentication for SeaMonkey
Requires Restart
An extension that helps with enabling and managing NTLM (Windows pass-through) and other SPNEGO (integrated authentication) settings.
To create your own collections, you must have a Mozilla Add-ons account.
