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

Rated 5 out of 5 stars (7)
1,324 users

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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)
46 users

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Console messaging example

Console messaging example add-on

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3 users

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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)
66 users

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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)
14,550 users

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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)
167 users

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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

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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)
3,181 users

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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)
315 users

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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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424 users

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Thunderkey

Lets you perform common email tasks using keyboard shortcuts.

Rated 5 out of 5 stars (2)
2 users

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Cypherdog Encryption

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

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34 users

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Aranese spell checker

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

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15 users

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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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8 users

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Scriptable Notifications

Allows you to define an external script (bash, batch, python, ...) which is called so you can manage mail notifications / alerts the way you want.

Snap/Flatpak versions of Thunderbird not supported.

Rated 5 out of 5 stars (3)
275 users

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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)
349 users

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ThunderThings

Integration between Thunderbird and Cultured Code's Things application.

Rated 4 out of 5 stars (3)
15 users

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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)
25 users

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sms77

Send SMS via sms77

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78 users

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DS-BCC

Data protection extension, to avoid data mishaps with circular mails:

1. warning for e-mail with multiple recipients not in BCC (exceptions possible)
2. warning for roundmails with a different recipient domain
3. warning if PGP key is present

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71 users

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