Aqua Security Holistic Kubernetes Security vs Gatekeeper Library: Side-by-Side Comparison (2026)

Aqua Security Holistic Kubernetes Security: K8s security platform with KSPM, runtime protection, and admission control. built by Aqua Security Software Ltd.. Core capabilities include Kubernetes Security Posture Management (KSPM), Dynamic risk visualization and prioritization for K8s clusters, Workload admission control using OPA and custom Rego rules..

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..

Both serve the Container Security market but differ in approach, feature depth, and target audience.

Aqua Security Holistic Kubernetes Security is developed by Aqua Security Software Ltd.. Gatekeeper Library is open-source with 4,168 GitHub stars. Vendor maturity, funding stage, and team size can be important factors when evaluating long-term viability and support quality.

Aqua Security Holistic Kubernetes Security and Gatekeeper Library serve similar Container Security use cases: both are Container Security tools, both cover Kubernetes. Key differences: Aqua Security Holistic Kubernetes Security is Commercial while Gatekeeper Library is Free, Gatekeeper Library is open-source. Review the feature comparison above to determine which fits your requirements.