head to head · open source
Inngest vs loonflow
Inngest has 5,853 GitHub stars, 358 forks, 234 open issues and last shipped yesterday. loonflow has 2,090 stars, 704 forks, 19 open issues and last shipped 4 months ago. Inngest leads on adoption by 180% (5,853 vs 2,090 stars). Inngest is written in Go under a custom or non-standard licence; loonflow is written in TypeScript under AGPL-3.0. Inngest has attracted 6% as many forks as stars, loonflow 34%. Inngest was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (workflow-engine), 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
| Inngest | loonflow | |
|---|---|---|
| GitHub stars | ★ 5.9K | ★ 2.1K |
| License | Custom / other | AGPL-3.0 |
| Written in | Go | TypeScript |
| Last push | 2026-09-19 | 2026-05-25 |
| Forks | ⑂ 358 | ⑂ 704 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Inngest if
- You weight community size — 5.9K stars and counting
- You want the Custom / other license terms
- Your stack matches Go
- You value the larger contributor base for long-term maintenance
pick loonflow if
- You want the loonflow feature set and don't need the biggest community
- You prefer the AGPL-3.0 license terms
- Your stack matches TypeScript
- You evaluated both and loonflow fits your workflow better
About Inngest
Inngest is an open source workflow orchestration platform that lets developers write durable, event driven step functions in their existing language SDKs and run them on serverless, long running servers, or the edge.
read the full Inngest overview →
About loonflow
Loonflow is an open source process automation platform for enterprises, built around ticket and workflow operations. It lives in the Django and Python web ecosystem, and the README also identifies React and MUI for the interface.
read the full loonflow overview →
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Frequently asked questions
Is Inngest or loonflow more popular?
Inngest has 5,853 GitHub stars and loonflow has 2,090. Inngest has the larger community by that measure.
Are Inngest and loonflow free?
Both are open source. Inngest has no licence declared in this registry, and loonflow is licensed under AGPL-3.0. Both are free to self-host.
What is the difference between Inngest and loonflow?
Inngest is written in Go and loonflow 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, Inngest or loonflow?
Choose Inngest if you want the larger community (5,853 stars) or its Custom / other licence terms. Choose loonflow if its feature set, stack or AGPL-3.0 licence fits better. Both are self-hostable.