head to head · open source
Cal.com vs tutor
Cal.com has 48,529 GitHub stars, 15,154 forks, 1,432 open issues and last shipped 4 days ago. tutor has 1,125 stars, 510 forks, 55 open issues and last shipped yesterday. Cal.com leads on adoption by 4,214% (48,529 vs 1,125 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 | ★ 49K | ★ 1.1K |
| License | MIT | AGPL-3.0 |
| Written in | TypeScript | Python |
| Last push | 2026-09-14 | 2026-09-17 |
| Forks | ⑂ 15K | ⑂ 510 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Cal.com if
- You weight community size — 49K 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
Cal.diy is a fully open source, community maintained fork of Cal.com, stripped of all enterprise and commercial features. It provides a self hosted scheduling platform built on the T3 stack (Next.js, tRPC, Prisma, Tailwind CSS, Zod), licensed under MIT with no proprietary code or license keys required.
read the full Cal.com overview →
About tutor
Tutor is the official Docker based distribution of Open edX, built for both production deployments and local development. It lives in the Open edX ecosystem, written in Python and licensed under the AGPL 3.0, and it carries the stated goal of making Open edX easy to deploy, customise, upgrade and scale. The project packages the platform as a set of Docker images managed through Docker Compose, with support for Kubernetes, plugins and a hosted AWS image.
read the full tutor overview →
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Frequently asked questions
Is Cal.com or tutor more popular?
Cal.com has 48,529 GitHub stars and tutor has 1,125. 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 (48,529 stars) or its MIT licence terms. Choose tutor if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.