Gatekeeper Library vs Sysdig Container and Kubernetes Security: side-by-side comparison (2026)

Gatekeeper Library: Gatekeeper is a policy management tool for Kubernetes that provides an extensible, parameterized policy library and native Kubernetes CRDs for instantiating and extending the policy library.

Sysdig Container and Kubernetes Security: Container and Kubernetes security platform with runtime visibility and detection. Built by Sysdig.

The table above shows where their features, integrations, deployment and company size fit differ.

Gatekeeper Library is open-source with 4,168 GitHub stars. Sysdig Container and Kubernetes Security is made by Sysdig. The vendor behind a product decides its roadmap, support, and longevity, so check each company's profile before you commit.

Often, yes. Gatekeeper Library and Sysdig Container and Kubernetes Security are both Container Security products, and both cover Kubernetes. Key differences: Gatekeeper Library is Free while Sysdig Container and Kubernetes Security is Commercial, Gatekeeper Library is open-source. Use the table above to see where features, deployment and company size fit differ.