govulncheck vs nancy — Go Security
govulncheck is Google's official Go vulnerability scanner. nancy (by Sonatype) is an alternative. Both require CLI installation. PackageFix scans go.mod in the browser using the same OSV data.
| Feature | govulncheck | nancy |
|---|---|---|
| Browser-based | ❌ CLI only | ❌ CLI only |
| Fix output | ❌ Report only | ❌ Report only |
| Data source | OSV + VulnDB | OSV + Sonatype |
| CISA KEV | ❌ No | ❌ No |
| Install required | ✅ go install | ✅ go install |
| PackageFix alternative | ✅ Covers Go | ✅ Covers Go |
Paste your manifest — get back a fixed version with all CVEs patched in seconds.
Open PackageFix →No signup · No CLI · No GitHub connection · Runs 100% in your browser
Frequently Asked Questions
Does PackageFix replace these tools?
PackageFix is a browser-based scanner for quick one-off scans. For automated CI/CD scanning, use the CLI tools in your pipeline. PackageFix generates the Renovate config and GitHub Actions workflow you need.
Is PackageFix free?
Yes — completely free, MIT licensed, open source.
Which ecosystems does PackageFix support?
npm, PyPI, Ruby, PHP, Go, Rust, and Java/Maven — 7 ecosystems in one tool.
Does PackageFix require GitHub?
No. Paste any manifest file directly — no GitHub connection, no account, no CLI.