head to head · open source
jenkins vs robusta
jenkins has 26,570 GitHub stars, 9,832 forks, 3,610 open issues and last shipped yesterday. robusta has 3,099 stars, 325 forks, 204 open issues and last shipped 4 days ago. jenkins leads on adoption by 757% (26,570 vs 3,099 stars). jenkins is written in Java under MIT; robusta is written in Python under MIT. jenkins has attracted 37% as many forks as stars, robusta 10%. jenkins 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
| jenkins | robusta | |
|---|---|---|
| GitHub stars | ★ 27K | ★ 3.1K |
| License | MIT | MIT |
| Written in | Java | Python |
| Last push | 2026-09-19 | 2026-09-16 |
| Forks | ⑂ 9.8K | ⑂ 325 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick jenkins if
- You weight community size — 27K stars and counting
- You want the MIT license terms
- Your stack matches Java
- You value the larger contributor base for long-term maintenance
pick robusta if
- You want the robusta feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Python
- You evaluated both and robusta fits your workflow better
About jenkins
Jenkins is an open source automation server built with Java and released under the MIT license. It lives in the continuous integration and continuous delivery ecosystem, where it has served as a central automation hub for roughly sixteen years. The project is developed in the open on GitHub, where it has accumulated 26,546 stars and 9,833 forks, and it is distributed through the official jenkins.io website alongside documentation, plugin listings, and release notes. Two release lines are maintained: a weekly line that carries all new features, improvements, and bug fixes, and a Long Term Support line that receive…
read the full jenkins overview →
About robusta
Robusta is an open source alerting and monitoring project for Kubernetes, written in Python and released under the MIT license. The repository contains Robusta Classic, a rule based alert enrichment engine that connects to Prometheus through a webhook and adds operational context to alerts. It lives in the Kubernetes monitoring ecosystem and is compatible with kube prometheus stack, Prometheus Operator, and other Prometheus based setups.
read the full robusta overview →
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Frequently asked questions
Is jenkins or robusta more popular?
jenkins has 26,570 GitHub stars and robusta has 3,099. jenkins has the larger community by that measure.
Are jenkins and robusta free?
Both are open source. jenkins is licensed under MIT and robusta under MIT. Neither carries a licence fee.
What is the difference between jenkins and robusta?
jenkins is written in Java and robusta 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, jenkins or robusta?
Choose jenkins if you want the larger community (26,570 stars) or its MIT licence terms. Choose robusta if its feature set, stack or MIT licence fits better. Both are self-hostable.