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Context menu on message allowing quick filtering based on email/sender or domain

Rated 5 out of 5 stars (7)
1,498 users
Works with Thunderbird 77.0 - *
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Monterail Darkness Extended

Monterail Dark, a Thunderbird theme inspired by the mockup of Monterail extended to Calendar, Tasks and Composer. Some more tweaks to normalize heights of the tabs and other options.

Rated 5 out of 5 stars (5)
71 users
Works with Thunderbird 78.5.0 - 91.*
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Archive old messages

A context menu item to archive all messages than older than a given duration.

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480 users
Works with Thunderbird 78.0 - *
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Open in browser

A context menu item to open the links associated with feed items in the default browser and then mark them as read.

Rated 5 out of 5 stars (1)
341 users
Works with Thunderbird 78.0 - *
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marked-lightning

Extension for Lightning: Allows the use of Markdown in Task descriptions and renders them as HTML in the TaskView.

Rated 5 out of 5 stars (3)
54 users
Works with Thunderbird 68.0 - 102.*
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Console messaging example

Console messaging example add-on

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3 users
Works with Thunderbird 68.0 - *
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Cypherdog Encryption

Encrypt any file, any text, and share via any medium, any time

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36 users
Works with Thunderbird 78.0 - *
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BCM Bengali (Bangladesh) Spellchecker

Spellchecker for Bengali (Bangladesh) following Bangla Academy and Prothom Alo standards: See https://banglatypefoundry.com/spellchecker/

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7 users

Metamorfik

The Altium Forums are the best way to participate in discussions, share tips, ask/answer questions and locate resources.

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1 user
Works with Thunderbird 76.0a1 - *
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Aify

Rewrite or generate text based on promps using OpenAI's API.

Configure on settings page (make sure to save) and start to use when writing your emails!

You must have a payment method on record with OpenAI and an API key. OpenAI charge for use.

Rated 5 out of 5 stars (10)
392 users
Works with Thunderbird 78.0 - *
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Aranese spell checker

Aranese (Occitan) spell checker - Diccionari ortogràfic d'Aranés

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15 users

Addon Compatibility Check for TB 102/TB 115/TB 128

Checks all installed add-ons for compatibility with Thunderbird 128 (or TB 102/115) and displays status information on a button in the main toolbar. This button will open a detailed overview, including links to alternatives for abandoned add-ons.

Rated 4 out of 5 stars (10)
15,864 users
Works with Thunderbird 68.0 - *
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FileLink for Plik

Plik no longer offers uploads without an account. So the add-in currently only works for self-hosted instances of the software. Currently I cannot promise a date for a fix. Sorry.

Rated 5 out of 5 stars (4)
3,732 users
Works with Thunderbird 68.2.1 - *
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Safelink removal

Replace URLs which have been rewritten by Office 365 Advanced Threat Protection with the original URL.

Rated 5 out of 5 stars (2)
185 users
Works with Thunderbird 78.4.0 - *
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sms77

Send SMS via sms77

Not yet rated
83 users
Works with Thunderbird 78.0 - *
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Send then Archive

Automates the process of archiving a message that has been replied to.

Rated 2 out of 5 stars (5)
28 users
Works with Thunderbird 78.0 - *
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Thunderkey

Lets you perform common email tasks using keyboard shortcuts.

Rated 5 out of 5 stars (2)
2 users
Works with Thunderbird 78.0 - 102.0
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SpamTester

SpamTester allows you to test the spam score of your email using popular anti-spam software (SpamAssassin, Rspamd...). This is useful to know if your email will fall into the recipient's spam (or even get your mail server blocked).

Not yet rated
211 users
Works with Thunderbird 78.0 - *
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AutoZoom

AddOn to save a text zoom for eMail text editor.

Rated 5 out of 5 stars (2)
74 users
Works with Thunderbird 78.0 - *
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Balochi Spellchecker for UniBal Script

This add-on is a Balochi spellchecker based on the UniBal Balochi script.

This is a pre-beta version as the dictionary has 1000+ words and not all Balochi Affix rules are implemented.

Please use it and give your feedback

Rated 3 out of 5 stars (1)
1 user