deps.dev
deps.dev is the Open Source Insights website from Google, helping developers inspect package dependencies, versions, licenses, advisories, projects, and ecosystem metadata.
What deps.dev is
deps.dev official site is the Open Source Insights website from Google. Its documentation says the service helps developers understand the structure, construction, and security of open-source software packages. The site lets users search packages, visualize dependencies, compare versions, investigate security advisories, and inspect metadata that would be tedious to gather from individual package registries by hand.
Dependency graphs
Open Source Insights examines packages and constructs detailed graphs of dependencies and their properties. That gives developers a way to see not just what a package is, but how it is connected to other packages and how those connections change over time. Dependency graphs are useful because risk and maintenance often travel through indirect dependencies. A small package can matter if many projects rely on it, and a seemingly simple dependency can bring in a much larger tree.
Package ecosystems covered
The docs say the service indexes Cargo, Go, Maven, npm, NuGet, PyPI, and RubyGems package ecosystems, along with GitHub, GitLab, and Bitbucket project hosts and security advisories from OSV. This cross-ecosystem view is valuable for teams that use more than one language. It also gives researchers a common place to compare metadata patterns across package managers.
API and dataset access
deps.dev is not only a website. Its documentation describes an API available over HTTP and gRPC, plus a BigQuery public dataset for larger analysis. The API can answer questions about package versions, licenses, dependencies, package-to-file matches, projects, and advisories. That makes deps.dev useful for tool builders, researchers, and teams that want dependency insight inside internal dashboards, audits, or automated review workflows.
Security and package context
Security advisories are part of the deps.dev data model, and project pages can include OpenSSF Scorecard information when available. The site does not replace human security review, but it gives users more context than a package name and version alone. That context can help a team ask better questions: which dependency introduced a risk, which versions are affected, what licenses apply, and whether a project shows signs of healthy maintenance.
Who uses deps.dev
deps.dev is used by software developers, dependency managers, security engineers, open-source maintainers, researchers, build-tool authors, compliance teams, and organizations trying to understand their software supply chain. Some users browse package pages directly; others use the API or BigQuery dataset for automation and analysis.
Why it matters
Modern software is assembled from many open-source packages, and the real shape of that dependency network is hard to see from a manifest file alone. deps.dev matters because it makes package relationships, versions, licenses, advisories, and project metadata easier to inspect together. That shared view can improve dependency decisions. It can also help maintainers and security teams explain why an upgrade, replacement, or deeper review is needed.
WHOIS domain data
Data pulled: May 24, 2026View current WHOIS record
- Domain
- deps.dev
- WHOIS source note
- The Who.is WHOIS lookup reported no traditional WHOIS data for deps.dev; the visible domain registration fields below are from the Who.is RDAP view for the same domain.
- IP address
- 35.244.225.235
- Registrar
- Markmonitor Inc.
- Registrar handle
- 292
- Contact URI
- https://www.markmonitor.com/contact-us/
- Created
- April 3, 2019
- Updated
- March 2, 2026
- RDAP database updated
- May 24, 2026
- Expires
- April 3, 2027
- Nameservers
- ns-cloud-d1.googledomains.com (216.239.32.109); ns-cloud-d2.googledomains.com (216.239.34.109); ns-cloud-d3.googledomains.com (216.239.36.109); ns-cloud-d4.googledomains.com (216.239.38.109)
- Domain status
- client delete prohibited, client transfer prohibited, client update prohibited
- Contact privacy
- The visible Who.is RDAP summary shows a domain contact URI at https://domains.markmonitor.com/whois/contact/deps.dev; registrant personal details are not displayed.