head to head · open source
parcel vs mill
parcel has 44,008 GitHub stars, 2,425 forks, 606 open issues and last shipped yesterday. mill has 2,801 stars, 449 forks, 272 open issues and last shipped yesterday. parcel leads on adoption by 1,471% (44,008 vs 2,801 stars). parcel is written in JavaScript under MIT; mill is written in Scala under MIT. parcel has attracted 6% as many forks as stars, mill 16%. mill 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
| parcel | mill | |
|---|---|---|
| GitHub stars | ★ 44K | ★ 2.8K |
| License | MIT | MIT |
| Written in | JavaScript | Scala |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 2.4K | ⑂ 449 |
| 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 mill if
- You want the mill feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Scala
- You evaluated both and mill 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 mill
= image:website/docs/logo.svg[title=Mill Logo] Mill: A Better Build Tool for Java, Scala, & Kotlin :mill stable version: 1.1.9 :link github: :link current doc site: :link mill moduledefs: // customize appearance on GitHub :idprefix: :idseparator: :toc: :toc placement: preamble ifndef::env github[] :icons: font endif::[] ifdef::env github[] :caution caption: :fire: :important caption: :exclamation: :note caption: :paperclip: :tip caption: :bulb: :warning caption: :warning: endif::[] link:changelog.adoc[image: Central Version]] Mill is a build tool that improves upon the tools traditionally used in the JVM…
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Frequently asked questions
Is parcel or mill more popular?
parcel has 44,008 GitHub stars and mill has 2,801. parcel has the larger community by that measure.
Are parcel and mill free?
Both are open source. parcel is licensed under MIT and mill under MIT. Neither carries a licence fee.
What is the difference between parcel and mill?
parcel is written in JavaScript and mill in Scala. 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 mill?
Choose parcel if you want the larger community (44,008 stars) or its MIT licence terms. Choose mill if its feature set, stack or MIT licence fits better. Both are self-hostable.