* [Gatekeeper Policy Manager (GPM) v2.0.0](https://github.com/sighupio/gatekeeper-policy-manager) – Read-only web UI that displays OPA Gatekeeper policy status, details, and events for Kubernetes clusters from local or remote connections.

* [Open Policy Agent v1.19.0](https://github.com/open-policy-agent/opa) – General-purpose policy engine for unified, context-aware policy enforcement across various systems.

* [opa-envoy-plugin v1.19.1-envoy](https://github.com/open-policy-agent/opa-envoy-plugin) – Extends OPA to enforce fine-grained, context-aware policies for Envoy via the External Authorization gRPC API.