Open Policy Agent

Open Policy Agent is a free and open source project, available under the Apache 2.0 license, enabling unified, declarative, context-aware control across the entire stack. It is a general-purpose policy engine that unifies policy enforcement across the stack. OPA provides a high-level declarative language that lets the user specify policy as code and simple APIs to offload policy decision-making from software. It can be used to enforce policies in microservices, Kubernetes, CI/CD pipelines, API gateways, etc.