Envoy Proxy — #4 Alternative to NGINX Plus
CNCF graduated L7 proxy and service-mesh data plane controlled via xDS gRPC APIs
Originally built at Lyft, Envoy provides first-class HTTP/2, HTTP/3, and gRPC load balancing, Wasm filters, distributed tracing, and dynamic xDS configuration without ever dropping connections.
License: Apache-2.0 · Pricing: Free & Open Source · Compare all NGINX Plus alternatives · Official Website