head to head · open source
parcel vs ultra-runner
parcel has 44,008 GitHub stars, 2,425 forks, 606 open issues and last shipped yesterday. ultra-runner has 1,249 stars, 39 forks, 60 open issues and last shipped yesterday. parcel leads on adoption by 3,423% (44,008 vs 1,249 stars). parcel is written in JavaScript under MIT; ultra-runner is written in TypeScript under Apache-2.0. parcel has attracted 6% as many forks as stars, ultra-runner 3%. ultra-runner 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 | ultra-runner | |
|---|---|---|
| GitHub stars | ★ 44K | ★ 1.2K |
| License | MIT | Apache-2.0 |
| Written in | JavaScript | TypeScript |
| Last push | 2026-11-02 | 2026-11-02 |
| Forks | ⑂ 2.4K | ⑂ 39 |
| 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 ultra-runner if
- You want the ultra-runner 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 ultra-runner 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 ultra-runner
:runner: :mountain: Ultra Runner Ultra fast monorepo script runner and build tool. :sparkles: Features zero config : works out of the box with your existing monorepo non intrusive : no need to make any changes to your packages.json files workspaces : detects packages in existing lerna , yarn , npm@7 and pnpm workspaces, or recursively searches them ultra fast builds : ultra keeps track of file changes in your repo and only actually build a package when needed parallel builds : ultra builds your packages concurrently by default workspace dependencies : workspace dependencies are automatically resolved and used…
read the full ultra-runner overview →
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Frequently asked questions
Is parcel or ultra-runner more popular?
parcel has 44,008 GitHub stars and ultra-runner has 1,249. parcel has the larger community by that measure.
Are parcel and ultra-runner free?
Both are open source. parcel is licensed under MIT and ultra-runner under Apache-2.0. Neither carries a licence fee.
What is the difference between parcel and ultra-runner?
parcel is written in JavaScript and ultra-runner 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, parcel or ultra-runner?
Choose parcel if you want the larger community (44,008 stars) or its MIT licence terms. Choose ultra-runner if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.