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GTrash

Provides a button and keyboard shortcut (Shift + Alt + Delete by default) to move mail to its account's Trash folder, regardless of normal delete setting. It was developed to improve the experience of using GMail via IMAP.

Not yet rated
152 users

Clacks Overhead

In tribute to the late Sir Terry Pratchett, many users are adding the message "GNU Terry Pratchett" into the email header "X-Clacks-Overhead". Clacks Overhead shows users when this appears in their emails and displays the message included.

Rated 5 out of 5 stars (1)
34 users

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
92 users

Send Later Button

The Send Later Button extension enhances Thunderbird by enabling 'Send Later' even in online mode. It supports many Languages, ensuring a seamless user experience.

See: https://github.com/That-Developer-Guy/Send-Later-Button-Thunderbird/

Rated 1 out of 5 stars (1)
906 users

Google Messages Tab

Adds a button to open Google Messages in a new tab.

Rated 4 out of 5 stars (6)
515 users

TimetableForWeb

Display just previous schedule.
Update current time schedule.
Good to update future schedule too.

I thank God through Jesus Christ.

Not yet rated
13 users

Move messages or yourself

Move messages or jump to folder with a keystroke.

Rated 4 out of 5 stars (17)
266 users

uBlock Origin

Finally, an efficient blocker. Easy on CPU and memory. uBlock Origin (uBO) is a CPU and memory-efficient wide-spectrum content blocker that blocks ads, trackers, coin miners, popups, annoying anti-blockers, etc. in your feeds.

Rated 4 out of 5 stars (10)
7,731 users

Open Image In New Tab

Adds a context menu item to open images in a new tab

Rated 5 out of 5 stars (5)
508 users

Open Google Voice

Opens Google Voice In A New Thunderbird Tab

Rated 4 out of 5 stars (3)
149 users

googlesearchwebapp

Adds browser action icon to toolbar to open Google-Web-Search. See http://thunderbird-essentials.thomas-bandl.de/wordpress/2020/10/05/google-websuche-button/

Rated 5 out of 5 stars (1)
146 users

todowebapp

Adds browser action icon to toolbar to open To-Do. See https://thunderbird-essentials.thomas-bandl.de/wordpress/2020/10/04/microsoft-to-do-button/

Rated 4 out of 5 stars (2)
133 users

Extract 'Em! Featured

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

NOTICE: Version 1.1.4 of Extract 'Em! is defective, please replace with 1.1.2 or 1.2.1

Rated 5 out of 5 stars (2)
2,351 users

Articles Toolbar

Adds the Articles toolbar

Not yet rated
22 users

Google Keep - Quick Access

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

Rated 5 out of 5 stars (1)
88 users

Auto Avatars

Add-on for Thunderbird that automatically populates contact photos with their Libravatar or Gravatar photo. Includes support for custom instances and federation!

Not yet rated
108 users

Auto Address Cleaner T

Remove comment, display name from addresses before sending mail.

This add-on is a fork of Auto Address Cleaner.
https://addons.thunderbird.net/thunderbird/addon/auto-address-cleaner/

Rated 5 out of 5 stars (9)
9,589 users

ThunderbirdBravoClick2Call

Make a call to the selected phone number. Call the public numbers shown on the site via the BRAVO UCC SOLUTION platform by clicking or highlighting them

Not yet rated
1 user

Check before sending email

Before sending an e-mail, a pop-up window clearly displays check items such as the destination address, body text, and attached files, prompting the sender to confirm before sending the e-mail.

Not yet rated
10 users