Add-ons
Most Popular See all »
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True "Send Later" functionality to schedule the time for sending an email.110,274 users -
TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.53,650 users -
Add sync support for Exchange ActiveSync (EAS v2.5 & v14.0) accounts to TbSync27,579 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.24,522 users -
Adds the Google Calendar web interface in a new Thunderbird tab. Creating and viewing events works like in a browser (Firefox, Chrome, ...)21,031 users -
This extension is no longer needed. Thunderbird has native CalDAV and CardDAV support.15,925 users
Top Rated See all »
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Macro Template is to replace mail templates with macros for date formatting.556 users -
True "Send Later" functionality to schedule the time for sending an email.110,274 users
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Integrates calendars events with Gnome clock applet650 users
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This add allow to customize the snooze delay when snooze popup appears (lightning required).717 users -
Extension for Lightning: Allows the use of Markdown in Task descriptions and renders them as HTML in the TaskView.35 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.53,650 users
Recently Added See all »
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This plugin offers to create new events based on the email subject and content161 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.572 users -
*Display Gantt View and Year View
*Task Time Planning: daily, distribute your open tasks into open time slots.
*Show parent/child relationships for tasks226 users -
Allows to use links to messages in the description field of events and task76 users -
Thunderbird lacks the ability to create and manage allday tasks. This add-on adds these capabilities.349 users -
ICAL's todo have status that are just perfect for a basic Kanban board. This extension provides it so that you can manage your tasks visually.116 users
See all 67 extensions in Calendar and Date/Time »
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