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

Rated 5 out of 5 stars (7)
1,269 users

Just Report It

Just Report It (https://justreport.it) is an email plugin which tackles spam the right way. Report emails straight to SpamCop, the Registrar, a custom email address or any combination in between!

Rated 5 out of 5 stars (14)
782 users

Metamorfik

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

Not yet rated
1 user

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)
14,764 users

Header Tools Improved

Allows to modify headers and source of messages

Rated 5 out of 5 stars (37)
2,409 users

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)
298 users

Config Button

Adds a Config button, opens about:config in a tab.

Rated 5 out of 5 stars (3)
1,289 users

Archive old messages

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

Not yet rated
389 users

Export to ZIP

Export your mails and folders to a zip file!

Rated 3 out of 5 stars (12)
1,839 users

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)
3,269 users

ThunderAI (ChatGPT or Ollama in your emails!)

ThunderAI uses the capabilities of ChatGPT or Ollama to enhance email management.
It enables users to analyse, write, correct, and optimize their emails.

Rated 5 out of 5 stars (13)
1,744 users

Antidote connector

Use Antidote directly where you are writing! Run a text through the corrector and the changes you make will automatically be applied to the original text in Thunderbird. (You must have access to Antidote.)

Not yet rated
234 users

Zulip - Quick Access

Quick Access to Zulip in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.

Not yet rated
4 users

Mark Subfolders Read

Adds a context option to folders for marking all contents of the selected folder and all subfolders as read.

Rated 2 out of 5 stars (1)
51 users

Webpage Opener

Adds a button to the toolbar to open a user defined webpage.

Rated 5 out of 5 stars (1)
31 users

Thunderbird Send

[Alpha Testing] Thunderbird send allows sending and receiving end to end encrypted files.

This add-on is undergoing testing and not yet available to the general public.

Rated 1 out of 5 stars (1)
18 users

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

Tatar spellchecker dictionary

Tatar dictionary for spell-checking in Firefox and Thunderbird.

Орфографический словарь Firefox и Thunderbird для проверки правописания татарского языка.

Not yet rated
1 user

Lower Sorbian dictionary

Spellchecking dictionary for Lower Sorbian language.

Not yet rated
6 users

Kiswahili Spell Checker

Kiswahili Spell Checker

Not yet rated
46 users