Add-ons
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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.6,823,584 users -
True "Send Later" functionality to schedule the time for sending an email.72,081 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.24,727 users -
TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.17,081 users -
Add sync support for Exchange ActiveSync (EAS v2.5 & v14.0) accounts to TbSync8,884 users -
Adds the Google Calendar web interface in a new Thunderbird tab. Creating and viewing events works like in a browser (Firefox, Chrome, ...)7,368 users
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![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.283 users -
TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.17,081 users
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True "Send Later" functionality to schedule the time for sending an email.72,081 users
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This extension adds support for CalDAV & CardDAV accounts to the Thunderbird Sync manager "TbSync".5,295 users -
Thunderbirds Lightning Extension: Allows the use of Markdown in Task descriptions and renders them as HTML in the TaskView.1,235 users -
Shows the calendar week Thunderbird/Lightning calendar's moth and multi-week view.98 users
Recently Added See all »
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An extension to show embedded Outlook calendar (vcal / ics) parts.
Thunderbird doesn't show calendar parts from Outlook appointment emails. This addon adds a button to download the embedded appointment as ICS to import it into another calendar.327 users -
Adds the Google Calendar web interface in a new Thunderbird tab. Creating and viewing events works like in a browser (Firefox, Chrome, ...)7,368 users
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Add sync support for Exchange ActiveSync (EAS v2.5 & v14.0) accounts to TbSync8,884 users
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This extension adds support for CalDAV & CardDAV accounts to the Thunderbird Sync manager "TbSync".5,295 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.3 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]3 users
See all 44 extensions in Calendar and Date/Time »
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