Add-ons
Most Popular See all »
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True "Send Later" functionality to schedule the time for sending an email.105,906 users -
TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.48,034 users -
Add sync support for Exchange ActiveSync (EAS v2.5 & v14.0) accounts to TbSync24,972 users -
Zobrazí záložky, pomocí kterých je možné rychle přepínat aktuální období v kalendáři Lightning. Všechny pohledy kalendáře jsou podporovány. Je možné upravit barvu textů záložek.23,648 users -
Adds the Google Calendar web interface in a new Thunderbird tab. Creating and viewing events works like in a browser (Firefox, Chrome, ...)19,814 users -
This extension is no longer needed. Thunderbird has native CalDAV and CardDAV support.13,441 users
Top Rated See all »
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Macro Template is to replace mail templates with macros for date formatting.555 users -
True "Send Later" functionality to schedule the time for sending an email.105,906 users
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Integrates calendars events with Gnome clock applet645 users
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This add allow to customize the snooze delay when snooze popup appears (lightning required).702 users -
Extension for Lightning: Allows the use of Markdown in Task descriptions and renders them as HTML in the TaskView.39 users
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TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.48,034 users
Recently Added See all »
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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.1 user
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Ersetzt [[TODAY]] beim Senden durch das Datum im gewünschten Format.1 user
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This plugin offers to create new events based on the email subject and content46 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.706 users -
*Display Gantt View and Year View
*Task Time Planning: daily, distribute your open tasks into open time slots.
*Show parent/child relationships for tasks170 users -
Allows to use links to messages in the description field of events and task80 users
See all 69 extensions in Calendar and Date/Time »
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