Aikido Container Image Scanning vs Gatekeeper Library: Side-by-Side Comparison (2026)

Aikido Container Image Scanning: Container image scanning tool for Kubernetes & Docker with CVE detection. built by Aikido Security. Core capabilities include CVE detection in container images, Reachability analysis for false positive reduction, Automated vulnerability triaging and deduplication..

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.

Aikido Container Image Scanning is developed by Aikido Security. 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.

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