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.6,168,680 users -
True "Send Later" functionality to schedule the time for sending an email.66,304 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.23,104 users -
![Icon for NoiaButtons [Tb45-58] (discontinued)](https://addons.thunderbird.net/user-media/addon_icons/352/352576-32.png?modified=1538896214)
The 'NoiaButtons' add-on offers cartoonish toolbar button icons (known from Noia themes) for default theme and lightweight themes. Further more lite silver and dark versions of Noia themes are included.9,357 users -
Let's show the calendar color on Lightning reminders!5,609 users -
Synchronize contacts, tasks and calendars to Thunderbird via Exchange ActiveSync or CalDAV/CardDAV.5,387 users
Top Rated See all »
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Synchronize contacts, tasks and calendars to Thunderbird via Exchange ActiveSync or CalDAV/CardDAV.5,387 users
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The 'NoiaButtons' add-on offers cartoonish toolbar button icons (known from Noia themes) for default theme and lightweight themes. Further more lite silver and dark versions of Noia themes are included.9,357 users
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True "Send Later" functionality to schedule the time for sending an email.66,304 users
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Shows the calendar week Thunderbird/Lightning calendar's moth and multi-week view.499 users -
This extension adds support for CalDAV & CardDAV accounts to the Thunderbird Sync manager "TbSync".0 users
Recently Added See all »
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Add sync support for Exchange ActiveSync (EAS v2.5 & v14.0) accounts to TbSync0 users -
This extension adds support for CalDAV & CardDAV accounts to the Thunderbird Sync manager "TbSync".0 users
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Displays multiple day events as a "spanning" event, without borders of the day-elements inside the month- and multiweek-view.0 users -
Convert Date/Received column to Jalali (Persian Date).
* Adds a column in the mail view for displaying Iranian dates for each email.
* Supports both English and Persian Iranian Date.
more info contact [email protected]24 users -
Thunderbirds Lightning Extension: Allows the use of Markdown in Task descriptions and renders them as HTML in the TaskView.555 users -
Synchronize contacts, tasks and calendars to Thunderbird via Exchange ActiveSync or CalDAV/CardDAV.5,387 users
See all 39 extensions in Calendar and Date/Time »
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