Add-ons
Most Popular See all »
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True "Send Later" functionality to schedule the time for sending an email.122,031 users -
TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.48,258 users -
Add sync support for Exchange ActiveSync (EAS v2.5 & v14.0) accounts to TbSync25,793 users -
Adds the Google Calendar web interface in a new Thunderbird tab. Creating and viewing events works like in a browser (Firefox, Chrome, ...)22,166 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.19,771 users -
This extension is no longer needed. Thunderbird has native CalDAV and CardDAV support.13,385 users
Top Rated See all »
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Macro Template is to replace mail templates with macros for date formatting.578 users -
True "Send Later" functionality to schedule the time for sending an email.122,031 users
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Integrates calendars events with Gnome clock applet714 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.48,258 users
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This extension is no longer needed. Thunderbird has native CalDAV and CardDAV support.13,385 users
Recently Added See all »
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Quick Access to Outlook Calendar with a persistent, customizable default view (Day, Week, Work Week, or Month).0 users -
Automatically assigns categories to calendar events based on keywords in the title. Supports custom colors and configurable time ranges.2 users
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AI-powered event extractor for Thunderbird. Automatically parses email content via local Ollama and syncs schedules to your CalDAV calendars.1 user -
Summarize your emails with AI, then know what should i do.1 user -
Shows time city/state and 24-hour local time for NANPA & international codes. Area Code locator7 users
See all 76 extensions in Calendar and Date/Time »
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