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BorderColors D

Shows a colorful border around the "New Message" window, so you can tell different identities apart.

Builds on the original BorderColors and the "GT" version, adding different border styles.

Rated 4 out of 5 stars (33)
7,848 users

TaskDescriptions

Thank you to like this add-on up to now.
TaskDescriptions end in Thunderbird version 78s.

Now on, I start development of independent window entity programs.

August 01st 2021.

Sungho.

Not yet rated
9 users

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)
68 users

Console messaging example

Console messaging example add-on

Not yet rated
4 users

EML-Editor

Addons to edit EML files and save your emails as EML file with their attachements.

Available on Github with MIT Licence :
https://github.com/pgpgeek/thunderbird-addon-eml-editor

Rated 2 out of 5 stars (1)
694 users

DeepL Selected Text

Unofficial DeepL translate extension for Thunderbird.

Rated 4 out of 5 stars (13)
10,490 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

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)
3,832 users

Telegram Web in Thunderbird

Open Telegram Web in Thunderbird

Rated 5 out of 5 stars (5)
792 users

Autofile - fast e-mail to folder filing

Read an e-mail, hit Autofile button and it is filed / moved to the right mail folder based on the sender's address. No drag/drop needed. Autofile can discover folders to store each author mail. Will save you lots of time like defunct filemail.

Rated 4 out of 5 stars (5)
276 users

Cypherdog Encryption

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

Not yet rated
39 users

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 4 out of 5 stars (9)
383 users

Search for

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

Rated 5 out of 5 stars (7)
1,187 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)
16,732 users

Thunderkey

Lets you perform common email tasks using keyboard shortcuts.

Rated 5 out of 5 stars (2)
6 users

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
212 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)
283 users

Archive old messages

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

Not yet rated
398 users

sms77

Send SMS via sms77

Not yet rated
81 users

Send then Archive

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

Rated 2 out of 5 stars (5)
31 users