head to head · open source
lighthouse vs copacetic
lighthouse has 31,005 GitHub stars, 9,785 forks, 470 open issues and last shipped 2 days ago. copacetic has 1,741 stars, 131 forks, 29 open issues and last shipped 8 days ago. lighthouse leads on adoption by 1,681% (31,005 vs 1,741 stars). lighthouse is written in JavaScript under Apache-2.0; copacetic is written in Go under Apache-2.0. lighthouse has attracted 32% as many forks as stars, copacetic 8%. 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 | copacetic | |
|---|---|---|
| GitHub stars | ★ 31K | ★ 1.7K |
| License | Apache-2.0 | Apache-2.0 |
| Written in | JavaScript | Go |
| Last push | 2026-11-01 | 2026-10-26 |
| Forks | ⑂ 9.8K | ⑂ 131 |
| 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 copacetic if
- You want the copacetic 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 copacetic 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 copacetic
Project Copacetic: Directly patch container image vulnerabilities copa is a CLI tool written in Go and based on buildkit that can be used to directly patch container images without full rebuilds. copa can also patch container images using the vulnerability scanning results from popular tools like Trivy. For more details and how to get started, please refer to full documentation. Ubuntu Chiseled images Copa supports both apt less Ubuntu images that retain a full /var/lib/dpkg/status file and native Chisel images that contain /var/lib/chisel/manifest.wall . Full status images support report driven and…
read the full copacetic overview →
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Frequently asked questions
Is lighthouse or copacetic more popular?
lighthouse has 31,005 GitHub stars and copacetic has 1,741. lighthouse has the larger community by that measure.
Are lighthouse and copacetic free?
Both are open source. lighthouse is licensed under Apache-2.0 and copacetic under Apache-2.0. Neither carries a licence fee.
What is the difference between lighthouse and copacetic?
lighthouse is written in JavaScript and copacetic 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 copacetic?
Choose lighthouse if you want the larger community (31,005 stars) or its Apache-2.0 licence terms. Choose copacetic if its feature set, stack or Apache-2.0 licence fits better. Both are self-hostable.