head to head · open source
jenkins vs freelens
jenkins has 26,556 GitHub stars, 9,835 forks, 3,610 open issues and last shipped yesterday. freelens has 5,588 stars, 331 forks, 223 open issues and last shipped yesterday. jenkins leads on adoption by 375% (26,556 vs 5,588 stars). jenkins is written in Java under MIT; freelens is written in TypeScript under MIT. jenkins has attracted 37% as many forks as stars, freelens 6%. 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 | freelens | |
|---|---|---|
| GitHub stars | ★ 27K | ★ 5.6K |
| License | MIT | MIT |
| Written in | Java | TypeScript |
| Last push | 2026-09-17 | 2026-09-17 |
| Forks | ⑂ 9.8K | ⑂ 331 |
| 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 freelens if
- You want the freelens feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and freelens 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 freelens
Freelens is a free and open source user interface for managing Kubernetes clusters. It is distributed as a standalone desktop application for macOS, Windows, and Linux, and it exists inside the cloud native ecosystem alongside the containers, DevOps, and Kubernetes tooling that its topic list names. The project is written in TypeScript and released under the MIT license, and it reached its current shape over roughly two years of development. The public repository carries more than five thousand stars and over three hundred forks, with an active issue tracker and community channels on Discord and Reddit.…
read the full freelens overview →
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Frequently asked questions
Is jenkins or freelens more popular?
jenkins has 26,556 GitHub stars and freelens has 5,588. jenkins has the larger community by that measure.
Are jenkins and freelens free?
Both are open source. jenkins is licensed under MIT and freelens under MIT. Neither carries a licence fee.
What is the difference between jenkins and freelens?
jenkins is written in Java and freelens 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, jenkins or freelens?
Choose jenkins if you want the larger community (26,556 stars) or its MIT licence terms. Choose freelens if its feature set, stack or MIT licence fits better. Both are self-hostable.