Add-ons
Miscellaneous
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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.
Provider for Google Calendar
Allows bidirectional access to Google Calendar
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.
Header Tools Improved
Allows to modify headers and source of messages
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
List Addons in Windows' Programs
List addons in Windows' "Add or Remove Programs".
Unified Folders Debugging
An add-on to help debugging problems with the Unified Folders mode.
Open Google Tasks
Adds an icon on the spaces toolbar to quickly open Google Tasks
Open Google Keep
Adds an icon on the spaces toolbar to quickly open Google Keep
ConfirmBeforeDelete
Microsoft To Do - Quick Access
Quick Access to Microsoft To Do (Live) in a new tab with just one click on a simple, stylish icon button on your Spaces toolbar.
To create your own collections, you must have a Mozilla Add-ons account.
