LicenseGuard scans your dependencies for copyleft, viral, and problematic open source licenses across npm, pip, Cargo, Go, Maven, Gemfile, and more. Before legal finds out.
Copyleft licenses like GPL and AGPL are viral — they require you to open-source any code that links to them. One transitive dependency with GPL can put your entire product at legal risk.
npm, pip, Cargo, Go, Maven, Gradle, Gemfile, Composer. Scans lock files and manifests across every major ecosystem.
Critical (GPL/AGPL), High (LGPL/MPL), Medium (Apache/MIT notice), Low (Unlicense/0BSD). Know your exposure at a glance.
Block new copyleft dependencies before they enter your lock file. Catch license violations at commit time, not in legal review.
Markdown reports with full dependency license inventory. Share with legal, attach to audits, include in release documentation.
See which licenses are compatible with your project license. Avoid shipping code with incompatible license combinations.
Software Bill of Materials in standard SPDX and CycloneDX formats. Required for enterprise compliance and government contracts.
| Feature | LicenseGuard | FOSSA ($230/mo) | Snyk ($25/dev/mo) | FOSSology ($0) |
|---|---|---|---|---|
| Price | Free / $19 / $39 | $230/mo | $25/dev/mo | Free (complex) |
| Runs Locally | ✓ | ✗ | ✗ | ✓ |
| Package Managers | 8 | 15+ | 10+ | 5+ |
| Copyleft Detection | ✓ | ✓ | ✓ | ✓ |
| Pre-commit Hooks | ✓ | ✗ | ✗ | ✗ |
| Zero Config | ✓ | ✗ | ✗ | ✗ |
| SBOM Output | ✓ | ✓ | ✓ | ✓ |
| License Matrix | ✓ | ✓ | ✗ | ✗ |
| Zero Telemetry | ✓ | ✗ | ✗ | ✓ |
| Setup Time | 30 seconds | 30+ min | 15+ min | 60+ min |
Know your licenses before your lawyer does.
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Install LicenseGuard in 30 seconds. Know your risk before your lawyer asks.