Add-ons
Most Popular See all »
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True "Send Later" functionality to schedule the time for sending an email.107,609 users -
TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.45,242 users -
Add sync support for Exchange ActiveSync (EAS v2.5 & v14.0) accounts to TbSync24,300 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.20,285 users -
Adds the Google Calendar web interface in a new Thunderbird tab. Creating and viewing events works like in a browser (Firefox, Chrome, ...)20,131 users -
This extension is no longer needed. Thunderbird has native CalDAV and CardDAV support.13,563 users
Top Rated See all »
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Macro Template is to replace mail templates with macros for date formatting.537 users -
True "Send Later" functionality to schedule the time for sending an email.107,609 users
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Integrates calendars events with Gnome clock applet593 users
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Extension for Lightning: Allows the use of Markdown in Task descriptions and renders them as HTML in the TaskView.37 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.45,242 users
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This extension is no longer needed. Thunderbird has native CalDAV and CardDAV support.13,563 users
Recently Added See all »
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Shows time city/state and 24-hour local time for NANPA & international codes. Area Code locator5 users -
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.10 users -
Ersetzt [[TODAY]] beim Senden durch das Datum im gewünschten Format.3 users
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This plugin offers to create new events based on the email subject and content17 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.827 users -
*Display Gantt View and Year View
*Task Time Planning: daily, distribute your open tasks into open time slots.
*Show parent/child relationships for tasks252 users
See all 70 extensions in Calendar and Date/Time »
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