head to head · open source
parcel vs Semaphore
parcel has 44,009 GitHub stars, 2,424 forks, 606 open issues and last shipped 3 days ago. Semaphore has 1,631 stars, 101 forks, 178 open issues and last shipped 4 days ago. parcel leads on adoption by 2,598% (44,009 vs 1,631 stars). parcel is written in JavaScript under MIT; Semaphore is written in Elixir under a custom or non-standard licence. parcel has attracted 6% as many forks as stars, Semaphore 6%. 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 | Semaphore | |
|---|---|---|
| GitHub stars | ★ 44K | ★ 1.6K |
| License | MIT | Custom / other |
| Written in | JavaScript | Elixir |
| Last push | 2026-10-31 | 2026-10-30 |
| Forks | ⑂ 2.4K | ⑂ 101 |
| 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 Semaphore if
- You want the Semaphore feature set and don't need the biggest community
- You prefer the Custom / other license terms
- Your stack matches Elixir
- You evaluated both and Semaphore 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 Semaphore
Semaphore Open Source CI/CD Platform Semaphore CI/CD helps product teams ship software faster, with quality and security. 🚀 Features Blazing fast CI/CD – Get your builds & deployments done in record time. Simple yet powerful – YAML based config, parallel execution, and more! Scales with you – From solo developers to massive engineering teams. Built for the modern cloud – Works seamlessly with containers, Kubernetes, and multi cloud environments. Installation Installing and running Semaphore is easy and only takes 10 30 minutes ⏱️ Choose your preferred installation method from our detailed guides: Semaphore…
read the full Semaphore overview →
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Frequently asked questions
Is parcel or Semaphore more popular?
parcel has 44,009 GitHub stars and Semaphore has 1,631. parcel has the larger community by that measure.
Are parcel and Semaphore free?
Both are open source. parcel is licensed under MIT, and Semaphore has no licence declared in this registry. Both are free to self-host.
What is the difference between parcel and Semaphore?
parcel is written in JavaScript and Semaphore in Elixir. 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 Semaphore?
Choose parcel if you want the larger community (44,009 stars) or its MIT licence terms. Choose Semaphore if its feature set, stack or Custom / other licence fits better. Both are self-hostable.