head to head · open source
jenkins vs OpenStack
jenkins has 26,719 GitHub stars, 9,819 forks, 3,610 open issues and last shipped yesterday. OpenStack has 6,072 stars, 1,625 forks, 1 open issues and last shipped yesterday. jenkins leads on adoption by 340% (26,719 vs 6,072 stars). jenkins is written in Java under MIT; OpenStack is written in Python under Apache-2.0. jenkins has attracted 37% as many forks as stars, OpenStack 27%. OpenStack 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
| jenkins | OpenStack | |
|---|---|---|
| GitHub stars | ★ 27K | ★ 6.1K |
| License | MIT | Apache-2.0 |
| Written in | Java | Python |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 9.8K | ⑂ 1.6K |
| 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 OpenStack if
- You want the OpenStack 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 OpenStack fits your workflow better
About jenkins
Table of Contents About What to Use Jenkins for and When to Use It Downloads Getting Started (Development) Source Contributing to Jenkins News and Website Governance Adopters License About In a nutshell, Jenkins is the leading open source automation server. Built with Java, it provides over 2,000 plugins to support automating virtually anything, so that humans can spend their time doing things machines cannot. What to Use Jenkins for and When to Use It Use Jenkins to automate your development workflow, so you can focus on work that matters most. Jenkins is commonly used for: Building projects Running tests to…
read the full jenkins overview →
About OpenStack
OpenStack ========= OpenStack is a collection of interoperable components that can be deployed to provide computing, networking and storage resources. Those infrastructure resources can then be accessed by end users through programmable APIs. This repository just represents OpenStack as a collection of git submodules. You can find the repositories for individual components at: You can learn more about the various components in OpenStack at: To learn more about how to contribute to OpenStack, please head to our Contributor portal: To learn more about how OpenStack is governed, you can visit: Why this repository ?…
read the full OpenStack overview →
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Frequently asked questions
Is jenkins or OpenStack more popular?
jenkins has 26,719 GitHub stars and OpenStack has 6,072. jenkins has the larger community by that measure.
Are jenkins and OpenStack free?
Both are open source. jenkins is licensed under MIT and OpenStack under Apache-2.0. Neither carries a licence fee.
What is the difference between jenkins and OpenStack?
jenkins is written in Java and OpenStack 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 OpenStack?
Choose jenkins if you want the larger community (26,719 stars) or its MIT licence terms. Choose OpenStack if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.