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Miscellaneous

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Header Tools Improved

Allows to modify headers and source of messages

Rated 5 out of 5 stars (37)
2,350 users
Updated July 11, 2024

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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
3 users
Updated June 27, 2024

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Trello - Quick Access

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

Not yet rated
100 users
Updated May 22, 2024

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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.

Rated 5 out of 5 stars (1)
153 users
Updated May 17, 2024

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Restart Button

Adds a Restart Button, restarts Thunderbird

Rated 4 out of 5 stars (12)
1,361 users
Updated April 24, 2024

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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
5 users
Updated April 18, 2024

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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.

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5 users
Updated April 14, 2024

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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)
280 users
Updated Feb. 26, 2024

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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)
270 users
Updated Feb. 14, 2024

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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.

Rated 3 out of 5 stars (2)
151 users
Updated Feb. 14, 2024

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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.

Rated 5 out of 5 stars (1)
754 users
Updated Feb. 14, 2024

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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

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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
36 users
Updated Jan. 31, 2024

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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)
119 users
Updated Jan. 31, 2024

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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 (2)
488 users
Updated Jan. 26, 2024

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List Addons in Windows' Programs

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

Rated 5 out of 5 stars (1)
9,927 users
Updated Dec. 26, 2023

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Unified Folders Debugging

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

Rated 4 out of 5 stars (8)
328 users
Updated Dec. 6, 2023

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Open Google Tasks

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

Rated 5 out of 5 stars (2)
775 users
Updated Dec. 6, 2023

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Open Google Keep

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

Rated 5 out of 5 stars (1)
202 users
Updated Dec. 4, 2023

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ConfirmBeforeDelete

Ask a confirm before to delete some items

Rated 4 out of 5 stars (19)
702 users
Updated Nov. 21, 2023

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