head to head · open source
Cal.com vs tutor
Cal.com has 49,651 GitHub stars, 15,521 forks, 1,432 open issues and last shipped yesterday. tutor has 1,131 stars, 508 forks, 55 open issues and last shipped yesterday. Cal.com leads on adoption by 4,290% (49,651 vs 1,131 stars). Cal.com is written in TypeScript under MIT; tutor is written in Python under AGPL-3.0. Cal.com has attracted 31% as many forks as stars, tutor 45%. tutor was the more recently maintained of the two, and both are self-hostable with no licence fee.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| Cal.com | tutor | |
|---|---|---|
| GitHub stars | ★ 50K | ★ 1.1K |
| License | MIT | AGPL-3.0 |
| Written in | TypeScript | Python |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 16K | ⑂ 508 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Cal.com if
- You weight community size — 50K stars and counting
- You want the MIT license terms
- Your stack matches TypeScript
- You value the larger contributor base for long-term maintenance
pick tutor if
- You want the tutor feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches Python
- You evaluated both and tutor fits your workflow better
About Cal.com
[!WARNING] Use at your own risk. Cal.diy is the open source community edition of Cal.com and it is intended for users who want to self host their own Cal.diy instance. It is strictly recommended for personal, non production use. Please review all installation and configuration steps carefully. Self hosting requires advanced knowledge of server administration, database management, and securing sensitive data. Proceed only if you are comfortable with these responsibilities. [!TIP] For any commercial and enterprise ready scheduling infrastructure, use Cal.com, not Cal.diy; hosted by us or get invited to on prem…
read the full Cal.com overview →
About tutor
Tutor: the Docker based Open edX distribution designed for peace of mind ======================================================================== .. image:: :alt: Tutor logo :width: 500px :align: center .. readme intro start: .. image:: :alt: Source code :target: .. image:: :alt: Forums :target: .. image:: :alt: Documentation :target: .. image:: :alt: PyPI releases :target: .. image:: :alt: AGPL License :target: .. image:: :alt: Follow us on Youtube :target: Tutor is the official Docker based Open edX distribution, both for production and local development. The goal of Tutor is to make it easy to deploy…
read the full tutor overview →
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Frequently asked questions
Is Cal.com or tutor more popular?
Cal.com has 49,651 GitHub stars and tutor has 1,131. Cal.com has the larger community by that measure.
Are Cal.com and tutor free?
Both are open source. Cal.com is licensed under MIT and tutor under AGPL-3.0. Neither carries a licence fee.
What is the difference between Cal.com and tutor?
Cal.com is written in TypeScript and tutor in Python. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Cal.com or tutor?
Choose Cal.com if you want the larger community (49,651 stars) or its MIT licence terms. Choose tutor if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.