Open-source scheduling
Replacing: Calendly
| Project | What it is | Stars | Last release | Replaces |
|---|---|---|---|---|
| Cal.diy Active MIT | The open-source scheduling app from the Cal.com team: booking pages, availability and calendar integrations. | 49.5k | Mar 1, 2026 | Calendly |
| Rallly Active AGPL-3.0 | Rallly is an open-source scheduling and collaboration tool designed to make organizing events and meetings easier. | 5.3k | Oct 26, 2026 | Calendly |
| Easy!Appointments Active GPL-3.0 | Easy!Appointments - Self Hosted Appointment Scheduler. | 4.5k | Oct 19, 2026 | Calendly |