head to head · open source
Kestra vs osmedeus
Kestra has 28,181 GitHub stars, 3,005 forks, 713 open issues and last shipped 2 days ago. osmedeus has 6,570 stars, 1,031 forks, 3 open issues and last shipped 8 days ago. Kestra leads on adoption by 329% (28,181 vs 6,570 stars). Kestra is written in Java under Apache-2.0; osmedeus is written in Go under MIT. Kestra has attracted 11% as many forks as stars, osmedeus 16%. Kestra 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
| Kestra | osmedeus | |
|---|---|---|
| GitHub stars | ★ 28K | ★ 6.6K |
| License | Apache-2.0 | MIT |
| Written in | Java | Go |
| Last push | 2026-09-18 | 2026-09-12 |
| Forks | ⑂ 3.0K | ⑂ 1.0K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Kestra if
- You weight community size — 28K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Java
- You value the larger contributor base for long-term maintenance
pick osmedeus if
- You want the osmedeus feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and osmedeus fits your workflow better
About Kestra
Kestra is an open source, event driven orchestration platform for data, AI, and infrastructure workflows. It operates in the Java based ecosystem and is licensed under Apache 2.0. The project provides a unified interface for both scheduled and real time automation, supporting declarative workflow definitions in YAML while also offering visual and AI assisted authoring.
read the full Kestra overview →
About osmedeus
Osmedeus is a security focused declarative orchestration engine written in Go and released under the MIT license. It turns complex security workflow automation into auditable YAML definitions, and it pairs that declarative model with encrypted data handling, secure credential management, and sandboxed execution. The project has been public for roughly eight years, carries about 6,563 stars and 1,030 forks, and lives in the penetration testing, reconnaissance, and attack surface management corner of the open source security ecosystem. It is distributed both as shell installed binaries and as the npm package @j3ssi…
read the full osmedeus overview →
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Frequently asked questions
Is Kestra or osmedeus more popular?
Kestra has 28,181 GitHub stars and osmedeus has 6,570. Kestra has the larger community by that measure.
Are Kestra and osmedeus free?
Both are open source. Kestra is licensed under Apache-2.0 and osmedeus under MIT. Neither carries a licence fee.
What is the difference between Kestra and osmedeus?
Kestra is written in Java and osmedeus in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, Kestra or osmedeus?
Choose Kestra if you want the larger community (28,181 stars) or its Apache-2.0 licence terms. Choose osmedeus if its feature set, stack or MIT licence fits better. Both are self-hostable.