Miscellaneous

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Restart Button

Adds a Restart Button, restarts Thunderbird

Rated 4 out of 5 stars (11)

1,300 users

Updated April 24, 2024

UnInbox - Quick Access

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

Not yet rated

2 users

Updated April 18, 2024

OnMail - Quick Access

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

Not yet rated

1 user

Updated April 14, 2024

Provider for Google Calendar

Allows bidirectional access to Google Calendar

Rated 3 out of 5 stars (1,645)

202,120 users

Updated April 12, 2024

FiltaQuilla

Adds many new mail filter actions - launch a file, suppress notification, remove star or tag, mark replied or unread, copy as "read", append text to subject.

Rated 4 out of 5 stars (100)

15,478 users

Updated March 28, 2024

Header Tools Improved

Allows to modify headers and source of messages

Rated 5 out of 5 stars (36)

2,378 users

Updated March 27, 2024

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 (2)

264 users

Updated Feb. 26, 2024

Gemini - Quick Access

Quick Access to Google Gemini AI (formerly Bard) 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)

113 users

Updated Feb. 14, 2024

Google Calendar - Quick Access

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

Not yet rated

295 users

Updated Feb. 14, 2024

Messenger - Quick Access

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

Not yet rated

77 users

Updated Feb. 14, 2024

Bard - Quick Access

Quick Access to Google Bard (new name Gemini) in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.

Not yet rated

16 users

Updated Feb. 3, 2024

Yandex Mail - Quick Access

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

Not yet rated

25 users

Updated Jan. 31, 2024

Telegram - Quick Access

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

Not yet rated

65 users

Updated Jan. 31, 2024

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)

70 users

Updated Jan. 31, 2024

Whatsapp - Quick Access

Quick Access to Whatsapp Web 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)

257 users

Updated Jan. 26, 2024

Slack - Quick Access

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

Not yet rated

76 users

Updated Jan. 26, 2024

List Addons in Windows' Programs

List addons in Windows' "Add or Remove Programs".

Rated 5 out of 5 stars (1)

9,148 users

Updated Dec. 26, 2023

Unified Folders Debugging

An add-on to help debugging problems with the Unified Folders mode.

Rated 4 out of 5 stars (8)

256 users

Updated Dec. 6, 2023

Open Google Tasks

Adds an icon on the spaces toolbar to quickly open Google Tasks

Rated 5 out of 5 stars (2)

483 users

Updated Dec. 6, 2023

Open Google Keep

Adds an icon on the spaces toolbar to quickly open Google Keep

Rated 5 out of 5 stars (1)

139 users

Updated Dec. 4, 2023