Add-ons
Miscellaneous
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ConfirmBeforeDelete
LightningButton
Requires Restart
Toolbar-Buttons for Lightning; advances the feature to get rid of the tabbar.
Header Tools Improved
Provider for Google Calendar
Profile Switcher
Thunderbird Todoist
FiltaQuilla
Adds many new mail filter actions - launch a file, suppress notification, remove star or tag, mark replied or unread, copy as "read", append text to subject.
Mail Redirect
Requires Restart
Allow to redirect (a.k.a. "remail") mail messages to other recipients.
Add Signature
Requires Restart
Simply add your signature manually (right mouse click) to your emails
URL Link
URL Link is a small Thunderbird extension that allows you to select a non-URL in a mail/news message or web-page, and open it in a browser window.
JavaScript Debugger
Requires Restart
As of Firefox 33, Venkman *no longer works*, as the APIs which it needs have been removed.
Venkman is the code name for Mozilla's JavaScript Debugger. Venkman aimed to provide a powerful JavaScript debugging environment for Mozilla based browsers.
FileLink provider for WebDAV
Featured
Uploads your large attachments to your WebDAV account instead of sending them by email.
Quicktext
Quicktext is an extension for Thunderbird that lets you create templates that can be easily inserted into your own emails.
Calendar Tweaks
Requires Restart
Allows several tweaks to the Thunderbird/Lightning calendar user interface including new selection styles and repeating event icons. Mimics the colors and styles found in MS Outlook.
compactfolder
Requires Restart
A toolbar button for compacting/purging the currently-viewed...
Options Toolbar Button
Requires Restart
This is a small devision of Michael Buckley's Toolbar Buttons extension. https://addons.mozilla.org/firefox/2377/ or http://codefisher.org/toolbar_button/
Open With
Open With can open your web links in any browser installed on your computer.
*Open With is no longer maintained.*
Google Keep - Quick Access
Quick Access to Google Keep in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.
To create your own collections, you must have a Mozilla Add-ons account.
