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Tategaki Requires Restart

Tategaki allows vertical writing-mode on mail compose window.

Rated 5 out of 5 stars (1)
3 users

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Metal for Thunderbird Requires Restart

Metal for Thunderbird, theme optimized for using your own background. Based on the Nautipolis/LittleFox framework.

Rated 4 out of 5 stars (1)
0 users

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MailSentry IronPort Spam Reporter Requires Restart

Report spam and ham to IronPort - originally written for our MailSentry hosted IronPort customers, it can be used by anyone who has their email filtered by an IronPort appliance.

Rated 5 out of 5 stars (2)
5 users

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Join-NG Requires Restart

Join partial messages. Somewhat similar to MS Outlook Express "combine and decode".

Rated 5 out of 5 stars (5)
743 users

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Dcurrency Requires Restart

Currency exchange rates in the status bar (data from Yahoo!Finance or Google on option).
Display currency graphs.

Rated 4 out of 5 stars (126)
2 users

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Version Number in Add-ons Manager

[Restartless] [e10s Compatible]
Easily viewable version info in the Add-ons Manager on Firefox/Thunderbird 41.0 - 56.*
Also restores the add-on version number on Firefox/Thunderbird 41.0 - 56.*.

Rated 4 out of 5 stars (4)
8 users

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DisableChunks Requires Restart

The addon modifies the mail.imap.min_chunk_size_threshold preference value by setting it to 100000000.
It is a workaroud to bug 1216951

Not yet rated
1 user

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Valencian Catalan dictionary

Free Catalan (Valencian version) spelling dictionary.

Rated 4 out of 5 stars (32)
775 users

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MicroThunderbird for Thunderbird Requires Restart

MicroThunderbird, for Thunderbird. Based on LittleBird, sporting the same screensaving, and with same 'retro' design (8-bit colors). Fully compatible with from 5.0 upto current nightlies. Full support for Lightning/calendar.

Rated 5 out of 5 stars (9)
4 users

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Set Default Columns Requires Restart

Provides ability to set default visibility of columns in the thread pane.

Rated 4 out of 5 stars (3)
45 users

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Mark Junk Read

Automatically marks all messages in junk folders as read.

Rated 5 out of 5 stars (9)
27 users

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NirvanaHQ Requires Restart

NirvanaHQ for Thunderbird

Rated 5 out of 5 stars (1)
0 users

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Extensor

Quick access to add-on functions from a toolbar panel: Options, (De)Activate, Details, Home page, Review page, Donation page, Uninstall, Restart application.

Rated 5 out of 5 stars (5)
2 users

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Play drums! Requires Restart

Just… play drums with your keyboard!

Rated 4 out of 5 stars (20)
0 users

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Flexible Identity Requires Restart

Selects an identity based on the recipients list when sending an email

Rated 4 out of 5 stars (39)
211 users

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Greek Polytonic Spelling Checker

Διορθωτὴς πολυτονικῶν κειμένων σύμφωνος μὲ τὴν ἑλληνικὴ ἱστορικὴ ὀρθογραφία.

Rated 5 out of 5 stars (8)
24 users

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Tamil Spell Checker for Firefox

Tamil Spell Checker Plugin for Firefox

Rated 1 out of 5 stars (1)
112 users

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CodeHighlight Requires Restart

highlight code in email.

Rated 3 out of 5 stars (1)
1 user

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ReloadPAC Requires Restart

Workaround for Bug 351163 (Thunderbird bypasses proxy.pac for first connection).

Not yet rated
1 user

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Corrector de Galego

Corrector ortográfico de galego baseado na Normativa da RAG do 2003.
Conten a versión comunidade.
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Galician spellchecking dictionary based on the 2003 RAG Standard.
This extension contains the version comunidade.

Rated 5 out of 5 stars (7)
1,358 users

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