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SmtpSelect Requires Restart

A toolbar button providing easy access to choosing the default SMTP server in Thunderbird.

Rated 4 out of 5 stars (36)
37 users

WebApp Tabs

Allows you to configure a set of WebApps to open easily as tabs within Thunderbird trying to give them all the functionality that you'd find in Firefox.

Rated 5 out of 5 stars (19)
15 users

Send and File Requires Restart

Allows to file outgoing messages in folder you prefer

Rated 5 out of 5 stars (20)
8 users

Play drums! Requires Restart

Just… play drums with your keyboard!

Rated 4 out of 5 stars (20)
0 users

3e Calendar Requires Restart

Adds support for 3e calendars

Rated 1 out of 5 stars (1)
2 users

Clean Subject Requires Restart

"Clean Subject" cleans the subject from multiple occurrences of subject prefixes such as ("Re: Re-2: Re:") and postfixes that are inserted by other clients. Words like "[SPAM]" can be cleaned as well. These prefixes can be defined in the preferences.

Rated 4 out of 5 stars (46)
54 users

Classicish Add-on Manager Requires Restart

A restyling of the Add-on Manager to a more native appearance.

Rated 4 out of 5 stars (17)
8 users

Test Pilot for Thunderbird

Add-on has now been discontinued, see below.

Rated 1 out of 5 stars (15)
370 users

Wepware - Capture and Share Live Content Requires Restart

Grab live snapshots of anything on the internet, organize your collected content into folders and share with friends through SNS.

Not yet rated
1 user

Just Restart! Requires Restart

Restart application with Ctrl+Shift+Z.

Rated 5 out of 5 stars (7)
5 users

Android Debug Bridge For Firefox

This addon adds some Android Debug Bridge access to Firefox. It requires access to the adb/adb.exe executable from the Android SDK.

Rated 5 out of 5 stars (1)
1 user

Unread Count Requires Restart

Maintains a file in the profile root directory with counts for unread messages per account. Useful for display in generic status bar, e.g.: taffybar, xmobar, dzen2, etc

Rated 5 out of 5 stars (2)
1 user

sepsis-console (Deprecated) Requires Restart

THIS VERSION IS DEPRECATED. Use https://addons.mozilla.org/en-US/developers/addon/sepsis-console instead. See the description below.

sepsis-console is a general-purpose JavaScript console for all Mozilla toolkit applications.

Not yet rated
0 users

Rainbowpicker Requires Restart

Pick any color of the...

Rated 4 out of 5 stars (18)
1 user

Caret Out Requires Restart

Disables change of the caret browse mode by shortcut key(F7).

Rated 5 out of 5 stars (4)
0 users

Crash Me Now! (Simple)

Crash yourself with ease

Rated 5 out of 5 stars (2)
0 users

Follow Up Requires Restart

This add-on provides a follow-up email feature for Thunderbird.

Rated 3 out of 5 stars (22)
10 users

Lightning Nightly Updater (Unofficial) Requires Restart

Quickly get to the latest nightly build of Lightning relevant to the version of Thunderbird and the OS you're on.

Rated 4 out of 5 stars (39)
28 users

Check for Updates in Help Menu Requires Restart

Adds a 'Check for Updates' entry to the Help menu.

Rated 5 out of 5 stars (17)
7 users

Environment Proxy Requires Restart

Sets proxy settings from environment variables.

Rated 4 out of 5 stars (8)
0 users