head to head · open source
lighthouse vs greenlight
lighthouse has 31,005 GitHub stars, 9,785 forks, 470 open issues and last shipped 2 days ago. greenlight has 2,458 stars, 148 forks, 4 open issues and last shipped 3 months ago. lighthouse leads on adoption by 1,161% (31,005 vs 2,458 stars). lighthouse is written in JavaScript under Apache-2.0; greenlight is written in Go under MIT. lighthouse has attracted 32% as many forks as stars, greenlight 6%. lighthouse 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
| lighthouse | greenlight | |
|---|---|---|
| GitHub stars | ★ 31K | ★ 2.5K |
| License | Apache-2.0 | MIT |
| Written in | JavaScript | Go |
| Last push | 2026-11-01 | 2026-08-05 |
| Forks | ⑂ 9.8K | ⑂ 148 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick lighthouse if
- You weight community size — 31K stars and counting
- You want the Apache-2.0 license terms
- Your stack matches JavaScript
- You value the larger contributor base for long-term maintenance
pick greenlight if
- You want the greenlight feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches Go
- You evaluated both and greenlight fits your workflow better
About lighthouse
Lighthouse Lighthouse analyzes web apps and web pages, collecting modern performance metrics and insights on developer best practices. Using Lighthouse Using Lighthouse in Chrome DevTools Using the Chrome extension Using the Node CLI CLI options Using the Node module Viewing a report Online Viewer Docs & Recipes Developing Lighthouse Setup Run Tests Docs Associated Products and Projects Lighthouse Integrations in Web Perf services Lighthouse Integrations in non Web Perf services Plugins Related projects FAQ How does Lighthouse work? Can I configure the lighthouse run? How does Lighthouse use network throttling…
read the full lighthouse overview →
About greenlight
greenlight Know before you submit. Pre submission compliance scanner for the Apple App Store and Google Play. Greenlight reads your app (source code, privacy manifests, Android manifests and Gradle builds, IPA binaries, App Store Connect metadata) and checks it against Apple's Review Guidelines and Google Play's Developer Program Policies. Every finding cites the rule it comes from. No account, no uploads, no network. A full preflight on a mid size project finishes in single digit milliseconds. A static scan can only prove a flow exists . greenlight verify proves it works : it runs your account deletion, restore…
read the full greenlight overview →
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Frequently asked questions
Is lighthouse or greenlight more popular?
lighthouse has 31,005 GitHub stars and greenlight has 2,458. lighthouse has the larger community by that measure.
Are lighthouse and greenlight free?
Both are open source. lighthouse is licensed under Apache-2.0 and greenlight under MIT. Neither carries a licence fee.
What is the difference between lighthouse and greenlight?
lighthouse is written in JavaScript and greenlight 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, lighthouse or greenlight?
Choose lighthouse if you want the larger community (31,005 stars) or its Apache-2.0 licence terms. Choose greenlight if its feature set, stack or MIT licence fits better. Both are self-hostable.