Fight the text ads! Element Hiding Helper is a companion extension for Adblock Plus meant to make creating element hiding rules easier.
Deselect on Click 1.0 Requires Restart
Deselects current message when clicking in thread pane.
Force Addon Status Requires Restart
Provides ability to change status of specific addon (enabled/disabled).
Nightly Tester Tools Requires Restart
Useful tools for the nightly tester.
DOM Inspector Plus! [dm] Requires Restart
Improved DOM Inspector! [dm version]. Box Model new layout & more data, see screenshot!. Horizontal scroll for Dom-Tree, and some more.
Inspects the structure and properties of a window and its contents.
Auto Compress File Requires Restart
Compressor for attachment files. All platforms are supported (Windows, Linux and Macintosh).
Auto Resize Image Requires Restart
Resizer for inline and attachment images (JPEG, PNG, BMP and GIF image formats).
All platforms are supported (Windows, Linux and Macintosh).
LightningButton Requires Restart
Toolbar-Buttons for Lightning; advances the feature to get rid of the tabbar.
Subject Manager Requires Restart
Manages subject of composed emails.
If you are the kind of person who likes to have total control over every aspect of your downloads, "Download Status Bar" is the add-on you are looking for.
Just Restart! Requires Restart
Restart application with Ctrl+Shift+Z.
Thunderbird Integration for JIRA Requires Restart
This is a plugin for Thunderbird 3.3+ which is able to create Atlassian Jira issues out of e-mails or add the content of an e-mail as a comment on an Jira issue.
Force a LTR locale to behave as if it was a RTL locale.
Extension Auto-Installer is a helper for Firefox/SeaMonkey/Thunderbird extension developers: it allows automatically adding or updating browser extensions, e.g. via command line tools. This makes testing your changes easier.
Firefox and Thunderbird extension to manage user preferences and user profile CA certificates using group policy
Hebrew Calendar Requires Restart
Show the Hebrew date in your browser's status.
Copy Plain Text 2 Requires Restart
Copies text without formatting
Reinstates the extensions.checkCompatibility preference.
Persona Switcher Requires Restart
Quickly switch between your personas or reset it back to the default via a menu or the keyboard. You can also automatically rotate through all of your themes on a time interval you select. Works for Firefox, Thunderbird, and Seamonkey.