Most Popular See all »
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True "Send Later" functionality to schedule the time for sending an email.126.034 usuarios
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Adds the Google Calendar web interface in a new Thunderbird tab. Creating and viewing events works like in a browser (Firefox, Chrome, ...)20.693 usuarios
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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.18.004 usuarios
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TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.12.167 usuarios
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This extension is no longer needed. Thunderbird has native CalDAV and CardDAV support.9.780 usuarios
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Add sync support for Exchange ActiveSync (EAS v2.5 & v14.0) accounts to TbSync7.535 usuarios
Top Rated See all »
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Macro Template is to replace mail templates with macros for date formatting.608 usuarios
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True "Send Later" functionality to schedule the time for sending an email.126.034 usuarios
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Integrates calendars events with Gnome clock applet657 usuarios
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Extension for Lightning: Allows the use of Markdown in Task descriptions and renders them as HTML in the TaskView.31 usuarios
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TbSync is a central user interface to manage cloud accounts and synchronize their contact, task and calendar information with Thunderbird.12.167 usuarios
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This extension is no longer needed. Thunderbird has native CalDAV and CardDAV support.9.780 usuarios
Recently Added See all »
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Create and attach calendar invitations directly from Thunderbird's email compose window. Simple meeting scheduling without switching apps.2 usuarios
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Select events with the mouse and move them to another calendar or delete them – one or many at once, by drag and drop, menu or button. With week view, list, ICS backup and undo.2 usuarios
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More than Thunderbird's task list: subtasks, start dates, tags, saved views, advanced filters, shortcuts. Tasks and events on one calendar, plus contacts. Syncs with CalDAV/CardDAV and Tasks.org. Tasks free; Calendar and Contacts Pro after a trial.24 usuarios
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Microsoft-365-/Teams-Kalenderintegration für Thunderbird mit Microsoft Graph, OAuth2/PKCE und eigenem M365-Space, ohne native Kalender-Experiment-API.62 usuarios
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A clear month view in the style of classic desktop planners, in its own tab: flip month by month with the mouse wheel, open, create, hide, compact, export as ICS and delete events (with backup).35 usuarios
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Finds duplicate calendar events – also across calendars –, shows them in groups and deletes the entries you select, with an automatic ICS backup.18 usuarios
See all 99 extensions in Calendar and Date/Time »
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