head to head · open source
Kestra vs kapitan
Kestra has 30,122 GitHub stars, 3,495 forks, 713 open issues and last shipped yesterday. kapitan has 1,933 stars, 215 forks, 155 open issues and last shipped 8 days ago. Kestra leads on adoption by 1,458% (30,122 vs 1,933 stars). Kestra is written in Java under Apache-2.0; kapitan is written in Python under Apache-2.0. Kestra has attracted 12% as many forks as stars, kapitan 11%. Kestra was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (devops), 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
| Kestra | kapitan | |
|---|---|---|
| GitHub stars | ★ 30K | ★ 1.9K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Java | Python |
| Last push | 2026-11-02 | 2026-10-26 |
| Forks | ⑂ 3.5K | ⑂ 215 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick Kestra if
- You weight community size — 30K 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 kapitan if
- You want the kapitan 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 kapitan fits your workflow better
About Kestra
Open source orchestration platform for data, AI, and infrastructure workflows Click on the image to learn how to get started with Kestra in 3 minutes. 🌟 What is Kestra? Kestra is an open source, event driven orchestration platform for data, AI, and infrastructure workflows. It unifies scheduled and event driven automation behind a declarative, language agnostic interface. By bringing Infrastructure as Code best practices to your data, process, and microservice pipelines, you can build reliable workflows directly from the UI in just a few lines of YAML, let the built in AI Copilot write them for you, or generate…
read the full Kestra overview →
About kapitan
Kapitan: Configuration Management for Kubernetes, Terraform, and Infrastructure Kapitan is an open source configuration management tool for Kubernetes , Terraform , and complex infrastructure systems. It helps teams generate, organize, reuse, and validate configuration across environments using an inventory driven model , templates ( Jsonnet , Jinja2 , Kadet ), and integrations with Helm , Kustomize , CUE , and external references. Kapitan provides native secrets management (GPG, AWS KMS, GCP KMS, Azure Key Vault, HashiCorp Vault) and is designed for Platform Engineering and GitOps workflows. Website…
read the full kapitan overview →
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Frequently asked questions
Is Kestra or kapitan more popular?
Kestra has 30,122 GitHub stars and kapitan has 1,933. Kestra has the larger community by that measure.
Are Kestra and kapitan free?
Both are open source. Kestra is licensed under Apache-2.0 and kapitan under Apache-2.0. Neither carries a licence fee.
What is the difference between Kestra and kapitan?
Kestra is written in Java and kapitan 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, Kestra or kapitan?
Choose Kestra if you want the larger community (30,122 stars) or its Apache-2.0 licence terms. Choose kapitan if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.