head to head · open source
parcel vs Harness
parcel has 44,025 GitHub stars, 2,284 forks, 606 open issues and last shipped 12 days ago. Harness has 38,378 stars, 3,397 forks, 106 open issues and last shipped 2 days ago. parcel leads on adoption by 15% (44,025 vs 38,378 stars). parcel is written in JavaScript under MIT; Harness is written in Go under Apache-2.0. parcel has attracted 5% as many forks as stars, Harness 9%. Harness 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 | ★ 38K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | Go |
| Last push | 2026-09-06 | 2026-09-16 |
| Forks | ⑂ 2.3K | ⑂ 3.4K |
| 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, distributed as the parcel package on npm and licensed under MIT. It lives in the JavaScript ecosystem and is written primarily in JavaScript, with its JavaScript compiler implemented in Rust for native performance. The project has been developed for roughly nine years, carries more than 44,000 stars and over 2,200 forks on GitHub, and its documentation is hosted at parceljs.org.
read the full parcel overview →
About Harness
Harness Open Source is an Apache 2.0, Go based developer platform that combines Git source control management, CI/CD pipelines, Gitspaces hosted development environments and artifact registries into one self hostable system for engineering teams that want end to end software delivery without stitching four separate products together.
read the full Harness overview →
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Frequently asked questions
Is parcel or Harness more popular?
parcel has 44,025 GitHub stars and Harness has 38,378. 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 (44,025 stars) or its MIT licence terms. Choose Harness if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.