Add-ons
Most Popular See all »
-
True "Send Later" functionality to schedule the time for sending an email.98,955 users -
TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.58,306 users -
Add sync support for Exchange ActiveSync (EAS v2.5 & v14.0) accounts to TbSync28,794 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.24,359 users -
This extension is no longer needed. Thunderbird has native CalDAV and CardDAV support.22,096 users -
Adds the Google Calendar web interface in a new Thunderbird tab. Creating and viewing events works like in a browser (Firefox, Chrome, ...)20,208 users
Top Rated See all »
-
Macro Template is to replace mail templates with macros for date formatting.501 users -
True "Send Later" functionality to schedule the time for sending an email.98,955 users
-
Integrates calendars events with Gnome clock applet693 users
-
This add allow to customize the snooze delay when snooze popup appears (lightning required).688 users -
Extension for Lightning: Allows the use of Markdown in Task descriptions and renders them as HTML in the TaskView.46 users
-
TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.58,306 users
Recently Added See all »
-
This plugin offers to create new events based on the email subject and content34 users -
This extension adds a simple button to your Spaces toolbar that opens in a new tab, providing you with one-click access to Outlook Calendar.190 users -
Display Gantt View and Year View
Task Time Planning: daily, distribute your open tasks into open time slots.61 users -
Allows to use links to messages in the description field of events and task25 users -
Thunderbird lacks the ability to create and manage allday tasks. This add-on adds these capabilities.147 users
See all 67 extensions in Calendar and Date/Time »
To create your own collections, you must have a Mozilla Add-ons account.
