Add-ons
Most Popular See all »
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Organize your schedule and life's important events in a calendar that's fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.5,794,218 users -
True "Send Later" functionality to schedule the time for sending an email.67,585 users -
TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.53,287 users -
This extension adds support for CalDAV & CardDAV accounts to the Thunderbird Sync manager "TbSync". Including iCloud, Google, ownCloud, Nextcloud, Radicale and many more.32,823 users -
Adds the Google Calendar web interface in a new Thunderbird tab. Creating and viewing events works like in a browser (Firefox, Chrome, ...)25,441 users -
Add sync support for Exchange ActiveSync (EAS v2.5 & v14.0) accounts to TbSync22,806 users
Top Rated See all »
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Add sync support for Exchange ActiveSync (EAS v2.5 & v14.0) accounts to TbSync22,806 users
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True "Send Later" functionality to schedule the time for sending an email.67,585 users
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GCalTab is a Thunderbird add-on that opens Google Calendar website in a Thunderbird tab. It features a beautiful dark mode thanks to the DarkReader algorithm.458 users -
TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.53,287 users
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This extension adds support for CalDAV & CardDAV accounts to the Thunderbird Sync manager "TbSync". Including iCloud, Google, ownCloud, Nextcloud, Radicale and many more.32,823 users
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Shows the calendar week Thunderbird/Lightning calendar's moth and multi-week view.33 users
Recently Added See all »
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This add-on adds a new column called "تاریخ" in message list containing Iranian Date to ThunderBird..
It is reimplementation of Iranian date for thunderbird in Thunderbird 78. The source is based on Full address column by Łukasz Kosson.5 users -
GCalTab is a Thunderbird add-on that opens Google Calendar website in a Thunderbird tab. It features a beautiful dark mode thanks to the DarkReader algorithm.458 users
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Adds a new Iranian(Persian/Jalali) date column to Thunderbird.1 user -
Adds a button to open Google Calendar in a new Tab6,565 users -
Extension for Lightning: Allows the use of Markdown in Task descriptions and renders them as HTML in the TaskView.75 users -
Abrir URL de G Suite en pestañas (por el momento solo están los botones de Calendar y Keep)129 users
See all 52 extensions in Calendar and Date/Time »
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