Parse and compare package versions and ranges. From debian, npm, pypi, ruby and more. Process all the version range specs and expressions. This project is sponsored by an NLnet project https://nlnet.nl/project/vulnerabilitydatabase/ , the Google Summer of Code, nexB and others generous sponsors!
package-manager versioning version vulnerabilities dependencies osv dependency-resolver purl package-url vulnerablecode
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Updated
May 1, 2026 - Python