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mosa calendar

Plan your work, together with your team

A clean calendar that connects to your mailbox and the calendar apps you already use. Plan fast, invite with standard invitations, and keep control over who sees what. Works with Outlook, Apple Calendar or Thunderbird thanks to full CalDAV support.

Manage calendars

Many calendars, one overview

Create as many calendars as you want and give each its own colour, so personal and work stay neatly separated. Drag events to the time you want them, switch between day, week and month views, and set recurring meetings in one go. All with location, description and a link included.

  • Multiple colour-coded calendars
  • Day, week, month views
  • Drag to schedule
  • Recurring events
Invitations

Invitations that work everywhere

Invite colleagues and external guests with standard ICS invitations. They respond directly from Gmail, Outlook, Apple Mail or any other calendar app with one click. You track who is coming, and every change or cancellation goes out as an automatic update.

  • Standard ICS invitations
  • RSVP in any mail app
  • Accept, tentative, decline
  • Automatic updates
Plan together

See who is free when, rooms included

Share calendars with teammates with exactly the permissions you choose: free/busy only, read only, or full read and write. Overlay multiple calendars to find a common slot, set your own working hours so others see when you are available, and add a meeting room just like you invite a colleague: if it is free it accepts itself, if it is booked it declines right away.

  • Free/busy when scheduling
  • Overlay calendars
  • Granular sharing rights
  • Rooms and resources
Coming soon · Booking pages

Let others book a slot with you

Share a link with clients or externals, set when you are available, and let them pick a free moment. The appointment lands in your calendar automatically, video link included. No more back and forth over time slots.

Your own booking page

A dedicated page where others see your available slots and book directly.

Share via link

Send anyone a link — no account needed on their end to book.

Only free time visible

Guests see open slots only, never your actual events or calendar content.

Automatic in your calendar

Confirmed bookings appear in your calendar automatically, video link included.

Interoperability

Works with the tools you already use

Calendar talks to the tools you use now, and to the rest of your mosa.cloud environment.

Meet
Automatic video link
Mail
Invitations from your shared mailbox
Sync via CalDAV
Import existing calendars

Ready to try Calendar?

Join the beta and experience planning without the hassle.

Sign up for beta