Add-ons
Most Popular See all »
-
True "Send Later" functionality to schedule the time for sending an email.114,584 users -
TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.51,783 users -
Add sync support for Exchange ActiveSync (EAS v2.5 & v14.0) accounts to TbSync26,482 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.25,090 users -
Adds the Google Calendar web interface in a new Thunderbird tab. Creating and viewing events works like in a browser (Firefox, Chrome, ...)21,690 users -
This extension is no longer needed. Thunderbird has native CalDAV and CardDAV support.14,301 users
Top Rated See all »
-
Macro Template is to replace mail templates with macros for date formatting.564 users -
True "Send Later" functionality to schedule the time for sending an email.114,584 users
-
Integrates calendars events with Gnome clock applet719 users
-
This add allow to customize the snooze delay when snooze popup appears (lightning required).733 users -
Extension for Lightning: Allows the use of Markdown in Task descriptions and renders them as HTML in the TaskView.41 users
-
TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.51,783 users
Recently Added See all »
-
Provides the 'Show in Mail' URL to be added in an iOS/macOS Calendar event referering to the message ID. Can also be customized for gmail URLs using the custom URL format in the extension preferences.3 users
-
Ersetzt [[TODAY]] beim Senden durch das Datum im gewünschten Format.4 users
-
This plugin offers to create new events based on the email subject and content33 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.784 users -
*Display Gantt View and Year View
*Task Time Planning: daily, distribute your open tasks into open time slots.
*Show parent/child relationships for tasks242 users -
Allows to use links to messages in the description field of events and task98 users
See all 69 extensions in Calendar and Date/Time »
To create your own collections, you must have a Mozilla Add-ons account.
