Cal.com vs ONLYOFFICE
Comparing two open source alternatives. Use the comparison below to decide which one fits your needs.
Cal.com
AGPL-3.0Open-source scheduling infrastructure — a self-hostable alternative to Calendly for booking meetings and appointments.
Side-by-side comparison
| Cal.com |  ONLYOFFICE | |
|---|---|---|
| License | AGPL-3.0 | AGPL-3.0 |
| Self-hostable | Yes | Yes |
| GitHub Stars | 48,567 | 6,913 |
| Forks | 15,176 | 1,308 |
| Open Issues | 1,412 | 1,141 |
| Last Commit | Sep 20, 2026 | Jul 22, 2026 |
| First Released | Mar 22, 2021 | Jul 5, 2014 |
| Categories | ||
| Tags |
GitHub stars over time
GitHub stars over time
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