When to Play?
When to Meet?

Organize events with friends using collaborative calendars. Free, open source, and available as cloud or self-hosted.

Features

Create calendars, add participants, and let everyone indicate their availability.

Set your availability once a week with recurrence patterns and exceptions.

Subscribe to events in Google Calendar, Apple Calendar, Outlook, and more.

Use our cloud service with no setup required, or self-host it for complete control.

Get notified when the threshold is reached or lost via Email, Discord, Slack, or Telegram.

Source code available under BSL license. Contribute on GitHub or audit the code yourself.

Discover why WhenTo is different from traditional polling tools like Doodle or Framadate.

Create your first calendar in seconds