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Interstellar Alliance Social Experiment Step 3

Send the Interstellar Alliance Social Experiment Step 3 letter as an email to a predefined online list of recipients.

See https://www.bashar.org/socialexperiment for more information regarding the Interstellar Alliance Social Experiment.

Not yet rated
2 users
Updated June 20, 2025

StandardTexter

With the help of this Add-on, up to 99 pre-made texts (standard texts, text modules or even signatures) can be stored, which can then be retrieved and inserted when writing an e-mail.
The texts can be preformatted with HTML.

Rated 4 out of 5 stars (16)
2,298 users
Updated June 19, 2025

ImportExportTools NG

Adds tools to import/export messages and folders

EML, MBOX, HTML PDF , Plaintext Support and CSV support with indexes and file naming.

Rated 4 out of 5 stars (236)
272,878 users
Updated June 18, 2025

ThunderAI Sparks

ThunderAI Sparks is an add-on designed to add advanced features to ThunderAI.

Not yet rated
274 users
Updated June 18, 2025

Seams

Seams provides some integration with Patchwork, the patch tracking system. It makes the patch state visible directly from Thunderbird. It also displays useful links to a Patchwork instance or to mail archives, and commands to apply the patch locally.

Rated 5 out of 5 stars (2)
30 users
Updated June 18, 2025

Email Original

El sello que permitirá a tus destinatarios de tus correos electrónicos, validar la autenticidad y legitimidad de tus direcciones de correo electrónico, poniendo esa necesaria barrera a las posibles suplantaciones de identidad (phishing ó spoofing).

Not yet rated
1 user
Updated June 18, 2025

ObsidianClipper

ObsidianClipper is a Thunderbird extension to clip emails to the Obsidian notetaking application. Save an email to Obsidian seamlessly with one click. Customize the format of new note titles and note layout.

Rated 5 out of 5 stars (8)
845 users
Updated June 18, 2025

selectAll Button

This Add-on installs a button on the mail toolbar that will when clicked select all messages within the folder.

Not yet rated
145 users
Updated June 18, 2025

Birthday Calendar

Adds calendars containing the birthdays from your address books.

Rated 4 out of 5 stars (27)
4,331 users
Updated June 18, 2025

AI Email Assistant

Automatically generate email responses using AI through an external API integration. This add-on sends emails to an API and inserts the AI-generated response into your reply.

Rated 5 out of 5 stars (1)
81 users
Updated June 18, 2025

Dolibarr connector

Extension Thunderbird pour intégrer Dolibarr

Rated 5 out of 5 stars (1)
53 users
Updated June 18, 2025

ThunderAI (ChatGPT, Gemini, Ollama in your emails)

ThunderAI uses the capabilities of ChatGPT, Google Gemini, Anthropic or Ollama to enhance email management.
It enables users to analyze, write, correct, assign tags, create calendar events and tasks and optimize their emails.

Rated 5 out of 5 stars (18)
5,554 users
Updated June 18, 2025

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 (9)
306 users
Updated June 18, 2025

PrintingTools NG

PrintingTools NG enables many layout and formatting options for printing messages with header borders, sorting, attachment lists etc. PDF output can be auto named and Page options can ease printer settings.

It is your printing toolbox.

Rated 4 out of 5 stars (50)
27,941 users
Updated June 18, 2025

Extract 'Em! Featured

Extracts attachments from messages within an account or folder, with the option to select specific attachments. By default, extracted attachments are saved to a .zip file.

Rated 4 out of 5 stars (9)
7,017 users
Updated June 18, 2025

TidySubject

Declutter Re:, Fwd:, and EXT tags automatically.

Rated 3 out of 5 stars (2)
7 users
Updated June 17, 2025

SmartQuotes

Applies the correct smart quotes („ ... “ instead of " ... ") used in Lithuanian, German, Czech, and other Central European languages. One click fixes your entire text.

Not yet rated
1 user
Updated June 14, 2025

Logout

This extension adds "Logout" to the folders/accounts context menu.

After you "Logout" you will be asked again for passwords for this account (incoming and outgoing) without the need to restart thunderbird.

Rated 5 out of 5 stars (1)
189 users
Updated June 12, 2025

Minimize on Close

Causes Thunderbird's main window to minimize instead of closing. You can still close Thunderbird through the menu.

Rated 4 out of 5 stars (99)
42,542 users
Updated June 12, 2025

SimplestAddon

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Not yet rated
1 user
Updated June 12, 2025