Most Popular Extensions

Subscribe

ClassicFox Requires Restart

ClassicFox fixes problems with the appearance of the default theme in Windows Classic.

Rated 5 out of 5 stars (5)
0 users

System Monitor Requires Restart

Provides CPU usage and memory usage graphs on the toolbar.

Rated 4 out of 5 stars (13)
0 users

Workspace for Thunderbird Requires Restart

A simple editor for executing snippets of JS. In Thunderbird.

Not yet rated
0 users

Foobar Controls Requires Restart

Allows you to control the Foobar2000 Mp3 player from the Firefox window...

Rated 4 out of 5 stars (29)
0 users

Move Search Items Requires Restart

Move the message search items to the...

Not yet rated
0 users

Thunderbird Are Go Requires Restart

This plays audio to boost emotion when Mozilla Thunderbird start up.
Mozilla Thunderbird Are Go!

Rated 5 out of 5 stars (1)
0 users

Message Notes Requires Restart

Add Notes to messages. Notes are stored in a plaintext file, typically in your profile. The plaintext notes file can be stored elsewhere to enable sharing of notes across a...

Rated 3 out of 5 stars (10)
0 users

Shift Box Requires Restart

Replay your INBOX!

Not yet rated
0 users

Kapaza Feed Requires Restart

Receive Kapaza ads as any RSS items.

Not yet rated
0 users

Http Ping Requires Restart

Sheduled ping any server with http request

Запросы по расписанию к серверу по http

Not yet rated
0 users

SendTools Requires Restart

Add SendAt option to the compose window to allow sending a message on a particular date and...

Rated 3 out of 5 stars (25)
0 users

mailAD Requires Restart

MailADは、メールの中の広告を削除するアドオンです。
Adblock Plusのメール版みたいなイメージです。

Not yet rated
0 users

Mozilla Labs - Jetpack Prototype Requires Restart

Jetpack Prototype is an experiment in making it easy to build Firefox add-ons using common web technologies.

Rated 4 out of 5 stars (27)
0 users

Delete Read Emails Requires Restart

Adds a button in Thunderbird's toolbar that enables you to delete all your read emails at once

Not yet rated
0 users

setenv

Automatically set environment variables based on preferences.

Not yet rated
0 users

DownloadStudio Firefox Integration Requires Restart

Firefox Integration for DownloadStudio

Not yet rated
0 users

UMTools Requires Restart

Add new options to TB's Unsent Messages behavior.. ...

Rated 3 out of 5 stars (3)
0 users

Synnefo for Filelink Requires Restart

Add Synnefo support to Thunderbird's Filelink feature.

Not yet rated
0 users

Personas Windows Classic Statusbar Requires Restart

“Personas” add-on installed, but bottom status bar still gray? This add-on modifies style so Personas footer can show. For desktop's gray “Windows Classic” theme (only Windows 2000 theme) with “Default” app theme. Requires Personas add-on ≤1.5.*.

Rated 4 out of 5 stars (9)
0 users

PennyPost Requires Restart

This extension makes it very easy to generate and attach stamps to outgoing mail. It also automatically detects and verifies stamps on incoming emails. The MBound algorithm requires a 16MB fixed table to work, HashCash is more CPU intense.

Rated 5 out of 5 stars (4)
0 users