head to head · open source
gradle vs penguin-harness
gradle has 18,847 GitHub stars, 5,335 forks, 3,494 open issues and last shipped yesterday. penguin-harness has 2,305 stars, 245 forks, 77 open issues and last shipped yesterday. gradle leads on adoption by 718% (18,847 vs 2,305 stars). gradle is written in Groovy under Apache-2.0; penguin-harness is written in TypeScript under Apache-2.0. gradle has attracted 28% as many forks as stars, penguin-harness 11%. penguin-harness was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 1 topic tag (build-tool), 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
| gradle | penguin-harness | |
|---|---|---|
| GitHub stars | ★ 19K | ★ 2.3K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | Groovy | TypeScript |
| Last push | 2026-09-20 | 2026-09-20 |
| Forks | ⑂ 5.3K | ⑂ 245 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick gradle if
- You weight community size — 19K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches Groovy
- You value the larger contributor base for long-term maintenance
pick penguin-harness if
- You want the penguin-harness feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches TypeScript
- You evaluated both and penguin-harness fits your workflow better
About gradle
Gradle is an open source build automation tool distributed under the Apache 2.0 license, hosted at gradle.org and developed in the Groovy language. It is described as a highly scalable build automation tool designed to handle everything from large, multi project enterprise builds to quick development tasks across various languages. Its modular, performance oriented architecture integrates with development environments, and the project has grown over roughly seventeen years to a repository with 18,841 stars, 5,335 forks, and 3,494 open issues. It lives in the JVM tooling ecosystem, with topics covering build tool,…
read the full gradle overview →
About penguin-harness
PenguinHarness is an open source, local first, multi agent auto development platform that runs on a developer's own computer or server and automates the full lifecycle of AI agent applications — creation, evaluation, optimization, and deployment — under the Apache 2.0 licence.
read the full penguin-harness overview →
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Frequently asked questions
Is gradle or penguin-harness more popular?
gradle has 18,847 GitHub stars and penguin-harness has 2,305. gradle has the larger community by that measure.
Are gradle and penguin-harness free?
Both are open source. gradle is licensed under Apache-2.0 and penguin-harness under Apache-2.0. Neither carries a licence fee.
What is the difference between gradle and penguin-harness?
gradle is written in Groovy and penguin-harness 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, gradle or penguin-harness?
Choose gradle if you want the larger community (18,847 stars) or its Apache-2.0 licence terms. Choose penguin-harness if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.