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Close Window on IMAP deletion Requires Restart

Closes the mail window on delete, although 'mark as deleted' is activated for IMAP

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After Unsent Mail Is Sent Requires Restart

Sorry but this addon is no longer supported in TB 60. See below.

Run a program of your choice after unsent mail has been sent.

Rated 5 out of 5 stars (1)
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Page Content Estimator

This addon estimates the number of links in a target page.

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Perapera Japanese-French Dictionary File Requires Restart

This is additional dictionary file for use with the Perapera Japanese Pop-up Dictionary add-on.

Rated 1 out of 5 stars (1)
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ThreadBubble Requires Restart

Make Thunderbird resort threads by date when a new message arrives. *** This add-on is no longer required for new versions of Thunderbird! ***

Rated 4 out of 5 stars (22)
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ThunderBridge Requires Restart

P2P e-mail delivery.

Rated 2 out of 5 stars (3)
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Keyword to Latest Digg URL Converter

This addon converts a user selected keyword within a website, to the newest digg entry which encapsulates the target keyword.

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parolu Requires Restart

Parolu enables Firefox to do speech synthesis of web pages written in Esperanto, useful for the blind (mainmenu.parolu) and for language learners (contextmenu.parolu). You'll need to install MBROLA on your machine first. https://lingvo.org/parolu

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Foobar Controls Requires Restart

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

Rated 4 out of 5 stars (29)
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Splash! Requires Restart

Adds a splash screen to most Mozilla and Mozilla Based products. Supports sound, opacity, CSS customization, custom images, and much more. You can add {appVersion}, {buildID} and {userAgent} to the loading text and it will be filled in for you.

Rated 4 out of 5 stars (98)
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Thundersomething Requires Restart

Changes the product name in various parts of Thunderbird for everlasting naming fun.
Make your Thunderbird wear a new mask every time.

Rated 4 out of 5 stars (8)
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Navigation Shortcuts Requires Restart

This extension adds three shortcuts to Thunderbird to navigate more easily.

These shortcuts are: Focus message pane, go one folder up and go one folder down

Rated 4 out of 5 stars (1)
2 users

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Serial Letter Requires Restart

Provides the ability to start writing a template-derived letter directly from within the address book. Supports also multiple recipients. Supports only TeX and similar systems at the moment.

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No application/applefile Requires Restart

Prevents storing of the MIME Type "application/applefile".

Rated 5 out of 5 stars (1)
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MarkSubfolders Requires Restart

This Add-on provide ability to mark as read subfolders.

Rated 4 out of 5 stars (16)
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IO.Translator Requires Restart

即时在线汉英互译 - Instant Online Translator (Chinese-English)

Rated 5 out of 5 stars (1)
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conceptERP Kontaktimport Requires Restart

Importiert Kontakte aus conceptERP in das Adressbuch.

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Go Google

Open google instantly with this super fast add on.And its just < 10KB.!
No need to type google in your address bar anymore.Just try this awesome to open up google instantly.

Rated 5 out of 5 stars (2)
1 user

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Requires Restart

FTN-style message quoter (like GoldEd) & so on

Rated 4 out of 5 stars (6)
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Google Mail Tab for Thunderbird Requires Restart

Open Google Mail in a new tab inside of Mozilla Thunderbird

Rated 3 out of 5 stars (2)
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