Add-ons
Most Popular See all »
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TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.75,085 users -
True "Send Later" functionality to schedule the time for sending an email.66,787 users -
This extension adds support for CalDAV & CardDAV accounts to the Thunderbird Sync manager "TbSync". Including iCloud, ownCloud, Nextcloud, Radicale and many more.48,580 users -
Add sync support for Exchange ActiveSync (EAS v2.5 & v14.0) accounts to TbSync28,516 users -
Adds the Google Calendar web interface in a new Thunderbird tab. Creating and viewing events works like in a browser (Firefox, Chrome, ...)26,739 users -
Displays tabs which allows quick navigation between time periods in Lightning calendar. All views of calendar are supported. Color of tab texts can be adjusted.25,626 users
Top Rated See all »
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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.1,164 users -
Macro Template is to replace mail templates with macros for date formatting.173 users -
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.29 users -
True "Send Later" functionality to schedule the time for sending an email.66,787 users
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Add sync support for Exchange ActiveSync (EAS v2.5 & v14.0) accounts to TbSync28,516 users
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This extension adds support for CalDAV & CardDAV accounts to the Thunderbird Sync manager "TbSync". Including iCloud, ownCloud, Nextcloud, Radicale and many more.48,580 users
Recently Added See all »
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Adds calendars containing the birthdays from your address books.2,006 users -
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.29 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.1,164 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 Tab8,878 users -
Extension for Lightning: Allows the use of Markdown in Task descriptions and renders them as HTML in the TaskView.929 users
See all 51 extensions in Calendar and Date/Time »
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