muCalendar icon
muCalendar icon

muCalendar

muCalendar is a lightweight, open-source desktop calendar application built for users who value privacy and simplicity. It brings your remote calendars — whether self-hosted or cloud-based — into a clean, native desktop experience.

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  • Mac
  • Linux
  • Windows
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Manage events efficiently with device syncing, Gmail integration, event reminders, and shareable schedules on a user-friendly interface with dark mode.

 
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muCalendar was added to AlternativeTo by Guillaume LR on and this page was last updated .

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What is muCalendar?

µCalendar is a lightweight, open-source desktop calendar application built for users who value privacy and simplicity. It brings your remote calendars — whether self-hosted or cloud-based — into a clean, native desktop experience.

Built with Rust, it runs efficiently on macOS, Linux, and Windows without the overhead of a browser-based solution.

It supports both WebCal/iCal (read-only) and CalDAV (read/write), making it compatible with platforms like Nextcloud, Radicale, and Infomaniak. Calendars sync automatically every 5 minutes, and ICS files can be imported via drag and drop.

The interface offers month, week, and day views, a mini date picker, and per-calendar color coding — all in a dark-themed, distraction-free layout.

Licensed under AGPL-3.0 and hosted on Codeberg, muCalendar is a free, community-friendly alternative to proprietary calendar clients.