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Open Policy Agent

General-purpose policy engine for cloud-native stacks

Identity & SSO ★ 12.1k stars Medium setup Apache-2.0

Open Policy Agent (OPA) is an open-source, CNCF graduated policy engine that decouples policy decisions from applications. It is self-hosted to enforce authorization and admission control across systems.

Official siteSource code

Key features

  • Declarative Rego policies
  • Decoupled decision making
  • Kubernetes admission control
  • REST decision API

Strengths

  • Released under the Apache-2.0 license
  • First-class Docker support for quick deployment
  • Kubernetes-ready with Helm charts available
  • Mature project with 12.1k GitHub stars

Open Policy Agent replaces

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