Replace Calendly.
3 open source alternatives, ranked by health. We re-check every project weekly, so you don’t migrate to something abandoned.
Ranked by health
- Cal.diySelf-hosted scheduling with booking pages, availability rules and calendar sync. The MIT community edition of Cal.com.★ 49k MIT TypeScript self-hostNot scored yet
- Easy!AppointmentsSelf-hosted web application for booking and managing appointments.★ 4.4k GPL-3.0 PHP self-hostNot scored yet
- SomedayCalendar availability and booking page built on Google Apps Script for Gmail users.★ 1.1k MIT TypeScript self-hostNot scored yet
No alternatives match those filters.
How the ranking works
Health blends commit recency, release cadence, issue throughput, contributor breadth and star growth. Stars are shown but never ranked on. The full method.