An open source, general-purpose policy engine.
Content Security Policy engine for Go/Golang. Unit test your CSP rules!
Gatekeeper - Policy Controller for Kubernetes
Themis is a general-purpose policy engine inspired by (but not beholden to) the XACML architecture.
Simple, scalable and secure application segmentation
API that leverages Clair to scan Docker Registries and Kubernetes Clusters for vulnerabilities
A simple rules engine for use with etcd