head to head · open source
Cal.com vs luigi
Cal.com has 48,529 GitHub stars, 15,154 forks, 1,432 open issues and last shipped 4 days ago. luigi has 18,775 stars, 2,463 forks, 175 open issues and last shipped 2 months ago. Cal.com leads on adoption by 158% (48,529 vs 18,775 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.
← all 8884 open source comparisons
Side by side
| Cal.com | luigi | |
|---|---|---|
| GitHub stars | ★ 49K | ★ 19K |
| License | MIT | Apache-2.0 |
| Written in | TypeScript | Python |
| Last push | 2026-09-14 | 2026-07-18 |
| Forks | ⑂ 15K | ⑂ 2.5K |
| 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 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
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 luigi
Luigi is a Python module for building complex pipelines of batch jobs, handling dependency resolution, workflow management, visualization, and failure handling, aimed at data engineers and teams who need to stitch together long running tasks such as Hadoop, Hive, Pig, Spark, or local Python jobs into repeatable workflows.
read the full luigi overview →
More in Business Software
Related comparisons
More Scheduling & Event Management projects
Compare either of these against the rest of the Scheduling & Event Management field.
Frequently asked questions
Is Cal.com or luigi more popular?
Cal.com has 48,529 GitHub stars and luigi has 18,775. 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 (48,529 stars) or its MIT licence terms. Choose luigi if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.