head to head · open source
Cal.com vs luigi
Cal.com has 49,651 GitHub stars, 15,521 forks, 1,432 open issues and last shipped yesterday. luigi has 18,782 stars, 2,474 forks, 175 open issues and last shipped 20 days ago. Cal.com leads on adoption by 164% (49,651 vs 18,782 stars). Cal.com is written in TypeScript under MIT; luigi is written in Python under Apache-2.0. Cal.com has attracted 31% as many forks as stars, luigi 13%. Cal.com 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 | luigi | |
|---|---|---|
| GitHub stars | ★ 50K | ★ 19K |
| License | MIT | Apache-2.0 |
| Written in | TypeScript | Python |
| Last push | 2026-11-02 | 2026-10-14 |
| Forks | ⑂ 16K | ⑂ 2.5K |
| 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 luigi if
- You want the luigi feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Python
- You evaluated both and luigi 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 luigi
.. figure:: :alt: Luigi Logo :align: center .. image:: :target: .. image:: :target: .. image:: :target: .. image:: :target: .. image:: :target: :alt: Documentation Status Luigi is a Python (3.10, 3.11, 3.12, 3.13, 3.14 tested) package that helps you build complex pipelines of batch jobs. It handles dependency resolution, workflow management, visualization, handling failures, command line integration, and much more. Getting Started Run pip install luigi to install the latest stable version from PyPI . Documentation for the latest release is hosted on readthedocs. Run pip install luigi[toml] to install Luigi with…
read the full luigi overview →
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Frequently asked questions
Is Cal.com or luigi more popular?
Cal.com has 49,651 GitHub stars and luigi has 18,782. Cal.com has the larger community by that measure.
Are Cal.com and luigi free?
Both are open source. Cal.com is licensed under MIT and luigi under Apache-2.0. Neither carries a licence fee.
What is the difference between Cal.com and luigi?
Cal.com is written in TypeScript and luigi 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 luigi?
Choose Cal.com if you want the larger community (49,651 stars) or its MIT licence terms. Choose luigi if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.