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Nightly Tester Tools Lite Requires Restart

This is a cut down version of Nightly Tester Tools by Mossop, which is 77.6 KB. I've only included the "copy build id" and "build id in titlebar"...

Rated 2 out of 5 stars (8)
1 user

SmartTemplate Requires Restart

This Add-on provides the smart and simple templates and abilities to customize the quote header flexibly.
Templates can be inserted automatically at the new/repling/forwarding message. A different template can be used respectively per account.

Rated 4 out of 5 stars (99)
1 user

Free/Busy Requires Restart

Publish free/busy calendar file (*.ifb) via ftp or to a file. View other people's free/busy info in meeting organizer window. Integrate Thunderbird and Outlook calendars without Exchange server.

Rated 3 out of 5 stars (14)
6 users

Custom Geometry Requires Restart

Resizes and positions the Firefox window according to your settings.

Rated 3 out of 5 stars (22)
0 users

Send Filter Requires Restart

This add-on allows you run your message filters automatically on outgoing messages after sending. In other words, it's a outgoing filter for thunderbird and seamonkey.

Rated 4 out of 5 stars (38)
47 users

Random Theme Switcher Requires Restart

This extension switches your themes at random.

Rated 4 out of 5 stars (7)
0 users

BlunderDelay Requires Restart

Thunderbird Extension: AutoSend Unsent Messages. Flushes entire outbox at regular intervals.

Rated 4 out of 5 stars (17)
7 users

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

Auto Resize JPEG Requires Restart

Resizer for inline and attachment images (only JPEG format).
For Windows only.

Rated 3 out of 5 stars (35)
1 user

CuteMenus - Crystal SVG Requires Restart

Note from Mozilla: This add-on has been discontinued. Try Menu Icons Plus instead.

Adds icons to all menus along with some other features...

Rated 4 out of 5 stars (102)
0 users

Extension List Dumper Requires Restart

This extension adds a button ("Dump list") to the Add-ons window. When this button is pressed, a new window is opened with the list of installed extensions, themes or plugins...

Rated 4 out of 5 stars (123)
8 users

Play drums! Requires Restart

Just… play drums with your keyboard!

Rated 4 out of 5 stars (20)
0 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)
61 users

DownloadStudio Firefox Integration Requires Restart

Firefox Integration for DownloadStudio

Not yet rated
0 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

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

Rainbowpicker Requires Restart

Pick any color of the...

Rated 4 out of 5 stars (18)
1 user

AboutConfig Requires Restart

about:config for...

Rated 3 out of 5 stars (13)
0 users

Allow Empty Subject Requires Restart

Allows Thunderbird to send message without a subject.

Visit my Allow Empty Subject site for recent versions and news.

Rated 4 out of 5 stars (22)
10 users

pasteCode Requires Restart

Programmers: want to email some source code to a colleague and have it be actually readable and highlighted just like in your code editor? Well with pasteCode, you can do just that...

Rated 4 out of 5 stars (6)
4 users