high per­for­mance, open source uni­ver­sal RPC framework GRPC Client CLI Down­load the CLI via https://github.com/vadimi/grpc-client-cli. Then: ./grpc-client-cli $target:50051 GRPC Curl Down­load via https://github.com/fullstorydev/grpcurl. gRPC UI Down­load via https://github.com/fullstorydev/grpcui. Graph­i­cal com­mand line interface. See also