Open source license triage for commercial projects

Know whether a package is safe to ship before it enters your codebase.

Search a popular npm package and get a plain-English verdict: clear, conditional, restricted, or unknown. No account, no upload, no server call.

Check a package

Static npm dataset · 51 common packages

What the verdicts mean

  • ClearCommercial use is allowed and obligations are low. Still keep the license notice.
  • ConditionalCommercial use may be allowed, but notice, attribution, linking, file-level sharing, or source-sharing can matter.
  • High-riskStrong copyleft terms can be incompatible with closed-source distribution or SaaS unless reviewed.
  • UnknownThe package is outside the local dataset. Verify manually before shipping.