head to head · open source
luigi vs someday
luigi has 18,775 GitHub stars, 2,463 forks, 175 open issues and last shipped 2 months ago. someday has 1,062 stars, 59 forks, 5 open issues and last shipped 2 months ago. luigi leads on adoption by 1,668% (18,775 vs 1,062 stars). luigi is written in Python under Apache-2.0; someday is written in TypeScript under MIT. luigi has attracted 13% as many forks as stars, someday 6%. someday was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (scheduling), so they are genuine substitutes rather than adjacent tools.
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
| luigi | someday | |
|---|---|---|
| GitHub stars | ★ 19K | ★ 1.1K |
| License | Apache-2.0 | MIT |
| Written in | Python | TypeScript |
| Last push | 2026-07-18 | 2026-07-20 |
| Forks | ⑂ 2.5K | ⑂ 59 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick luigi if
- You weight community size — 19K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Python
- You value the larger contributor base for long-term maintenance
pick someday if
- You want the someday feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and someday fits your workflow better
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 →
About someday
Someday is a free to host, open source calendar availability picker built on Google Apps Script for Gmail users, and it is aimed at individuals, small teams, and developers who want a Calendly style booking page without paying for or operating a separate scheduling service.
read the full someday overview →
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Frequently asked questions
Is luigi or someday more popular?
luigi has 18,775 GitHub stars and someday has 1,062. luigi has the larger community by that measure.
Are luigi and someday free?
Both are open source. luigi is licensed under Apache-2.0 and someday under MIT. Neither carries a licence fee.
What is the difference between luigi and someday?
luigi is written in Python and someday in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, luigi or someday?
Choose luigi if you want the larger community (18,775 stars) or its Apache-2.0 licence terms. Choose someday if its feature set, stack or MIT licence fits better. Both are self-hostable.