Privacy First
No ads, no tracking, no third-party calendar vendor with your schedule. Run it yourself or use the hosted version at musubi.frgtn.dev.
Musubi
One app for all your shared calendars. Privacy-first, self-hostable, and built for people who care where their data lives.
What is Musubi?
Section titled “What is Musubi?”Musubi (結び) is a Japanese word meaning knot or bond. The app ties people’s schedules together — shared calendars that you control, running on infrastructure you own.
Shared Calendars
Create calendars, invite others, and see a unified view of everyone’s events. Members can create and edit events; only the calendar owner can delete the calendar.
Recurring Events
Full RFC 5545 RRULE support. Set a weekly workout, a monthly team sync, or a yearly reminder — with fine-grained control over the schedule.
Real-Time Sync
Events update live across all connected clients via Server-Sent Events. No polling, no manual refresh.