* [Higress v2.2.2](https://github.com/higress-group/higress) – Cloud-native API gateway built on Istio and Envoy, extendable with Wasm plugins and supporting AI model providers and MCP servers. * [kgateway v2.3.1](https://github.com/kgateway-dev/kgateway) – Envoy-powered, Kubernetes-native API gateway for managing traffic, authentication, and routing. * [opa-envoy-plugin v1.17.0-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.