head to head · open source
parcel vs Harness
parcel has 44,009 GitHub stars, 2,424 forks, 606 open issues and last shipped 3 days ago. Harness has 38,785 stars, 3,451 forks, 106 open issues and last shipped 4 days ago. parcel leads on adoption by 13% (44,009 vs 38,785 stars). parcel is written in JavaScript under MIT; Harness is written in Go under Apache-2.0. parcel has attracted 6% as many forks as stars, Harness 9%. parcel 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
| parcel | Harness | |
|---|---|---|
| GitHub stars | ★ 44K | ★ 39K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Go |
| Last push | 2026-10-31 | 2026-10-30 |
| Forks | ⑂ 2.4K | ⑂ 3.5K |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick parcel if
- You weight community size — 44K stars and counting
- You want the MIT license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick Harness if
- You want the Harness feature set and don't need the biggest community
- You prefer the Apache-2.0 license terms
- Your stack matches Go
- You evaluated both and Harness fits your workflow better
About parcel
Parcel is a zero configuration build tool for the web. It combines a great out of the box development experience with a scalable architecture that can take your project from just getting started to massive production application. Features 😍 Zero config – Parcel supports many languages and file types out of the box, from web technologies like HTML, CSS, and JavaScript, to assets like images, fonts, videos, and more. It has a built in dev server with hot reloading, beautiful error diagnostics, and much more. No configuration needed! ⚡️ Lightning fast – Parcel's JavaScript compiler is written in Rust for native…
read the full parcel overview →
About Harness
Harness Harness Open Source is an open source development platform packed with the power of code hosting, automated DevOps pipelines, hosted development environments (Gitspaces), and artifact registries. Overview Harness Open source is an open source development platform packed with the power of code hosting, automated DevOps pipelines, Gitspaces, and artifact registries. Running Harness locally The latest publicly released docker image can be found on harness/harness. To install Harness yourself, simply run the command below. Once the container is up, you can visit in your browser. The Harness image uses a…
read the full Harness overview →
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Frequently asked questions
Is parcel or Harness more popular?
parcel has 44,009 GitHub stars and Harness has 38,785. parcel has the larger community by that measure.
Are parcel and Harness free?
Both are open source. parcel is licensed under MIT and Harness under Apache-2.0. Neither carries a licence fee.
What is the difference between parcel and Harness?
parcel is written in JavaScript and Harness in Go. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, parcel or Harness?
Choose parcel if you want the larger community (44,009 stars) or its MIT licence terms. Choose Harness if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.