head to head · open source
turborepo vs penguin-harness
turborepo has 31,298 GitHub stars, 2,477 forks, 13 open issues and last shipped 2 days ago. penguin-harness has 3,130 stars, 335 forks, 77 open issues and last shipped yesterday. turborepo leads on adoption by 900% (31,298 vs 3,130 stars). turborepo is written in Rust under MIT; penguin-harness is written in TypeScript under Apache-2.0. turborepo has attracted 8% 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
| turborepo | penguin-harness | |
|---|---|---|
| GitHub stars | ★ 31K | ★ 3.1K |
| License | MIT | Apache-2.0 |
| Written in | Rust | TypeScript |
| Last push | 2026-11-03 | 2026-11-04 |
| Forks | ⑂ 2.5K | ⑂ 335 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick turborepo if
- You weight community size — 31K stars and counting
- You want the MIT license terms
- Your stack matches Rust
- 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 turborepo
Turborepo Turborepo is the build system for coding agents. Getting Started Visit to get started with Turborepo. Contributing See CONTRIBUTING.md for more information. Community The Turborepo community can be found on GitHub Discussions, where you can ask questions, voice ideas, and share your projects. To chat with other community members, you can join Vercel Community's turborepo tag. Our Code of Conduct applies to all Turborepo community channels. Who is using Turborepo? Turborepo is used by the world's leading companies. Check out the Turborepo Showcase to learn more. Updates Follow @turborepo on X for…
read the full turborepo overview →
About penguin-harness
PenguinHarness Open source, local first multi agent app development platform Fully automate building · optimizing · deploying AI applications 1000+ Models · Multi Platform · Apache 2.0 · Agent Self Evolution = 24" / English 简体中文 Why PenguinHarness With LangChain, you build agents by hand — at 1× speed. With PenguinHarness, agents build agents — at 100×. PenguinHarness runs on your computer or server and automates the agent app lifecycle from creation and evaluation to optimization and deployment. Three reasons define the platform: 1. 🏆 Outstanding results at tens of times less cost A deliberately minimal…
read the full penguin-harness overview →
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Frequently asked questions
Is turborepo or penguin-harness more popular?
turborepo has 31,298 GitHub stars and penguin-harness has 3,130. turborepo has the larger community by that measure.
Are turborepo and penguin-harness free?
Both are open source. turborepo is licensed under MIT and penguin-harness under Apache-2.0. Neither carries a licence fee.
What is the difference between turborepo and penguin-harness?
turborepo is written in Rust 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, turborepo or penguin-harness?
Choose turborepo if you want the larger community (31,298 stars) or its MIT licence terms. Choose penguin-harness if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.