Add-ons
Most Popular See all »
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Organize your schedule and life's important events in a calendar that's fully integrated with your Thunderbird email. Manage multiple calendars, create your daily to do list, invite friends to events, and subscribe to public calendars.7,020,118 users -
True "Send Later" functionality to schedule the time for sending an email.84,297 users -
TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.45,449 users -
This extension adds support for CalDAV & CardDAV accounts to the Thunderbird Sync manager "TbSync". Including iCloud, Google, ownCloud, Nextcloud, Radicale and many more.26,214 users -
Adds the Google Calendar web interface in a new Thunderbird tab. Creating and viewing events works like in a browser (Firefox, Chrome, ...)23,415 users -
Add sync support for Exchange ActiveSync (EAS v2.5 & v14.0) accounts to TbSync20,577 users
Top Rated See all »
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Add sync support for Exchange ActiveSync (EAS v2.5 & v14.0) accounts to TbSync20,577 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.45,449 users
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True "Send Later" functionality to schedule the time for sending an email.84,297 users
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Adds a button to open Google Calendar in a new Tab3,010 users -
Configure the 'Date' and 'Received' columns and displayed date in the message pane using custom formats. You can even use different date formats for emails with today's date, yesterday's date, dates in the last week, or dates older than a week.63 users -
This extension adds support for CalDAV & CardDAV accounts to the Thunderbird Sync manager "TbSync". Including iCloud, Google, ownCloud, Nextcloud, Radicale and many more.26,214 users
Recently Added See all »
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GCalTab is a Thunderbird add-on that opens Google Calendar website in a Thunderbird tab. It features a beautiful dark mode thanks to the DarkReader algorithm.92 users -
Adds a new Iranian(Persian/Jalali) date column to Thunderbird.1 user -
Adds a button to open Google Calendar in a new Tab3,010 users
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Extension for Lightning: Allows the use of Markdown in Task descriptions and renders them as HTML in the TaskView.1 user
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Abrir URL de G Suite en pestañas (por el momento solo están los botones de Calendar y Keep)184 users -
Add Microsoft Office 365 Tabs to Thunderbird! Services supported by M-Hub Lite: Calendar, People, OneDrive, Word, Excel, PowerPoint, & Bing. Need business or enterprise support? Get M-Hub Pro: https://www.schiffner.com/software/m-hub-pro220 users
See all 50 extensions in Calendar and Date/Time »
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