Libraries.io
Libraries.io helps developers discover open-source packages, modules, and frameworks across software ecosystems.
About Libraries.io
Libraries.io is a discovery service for open source packages, modules, and frameworks. It spans a broad set of package managers and provides searchable package records. Its package and license data is scraped from the internet and not validated for accuracy.
Key features
- Search 9.96M packages by license or language
- Browse new, trending, and popular packages
- View package metadata from package and source repositories
- View license data from package metadata
- See limited dependency insights
- Coverage for npm, PyPI, Go, Maven, NuGet, Packagist, Cargo, and RubyGems
Best for: Developers looking for open source packages, modules, and frameworks to use in their code.
Watch out for
- No vulnerability insights.
- No maintenance, deprecation, end-of-life, or package rename insights.
- API access is limited and rate restricted.
Libraries.io at a glance
- Website
- libraries.io
- Category
- Development › Developer Tools
- Type
- Online tool
- Pricing
- Free
- Platforms
- Web
- Details verified
- Oct 22, 2026 · Official source
- Open source
- Not stated
- Language
- English
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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