A reverse proxy which converts JSON HTTP requests to gRPC calls without much configuration. It is designed to run in a Kubernetes cluster, and uses the Kubernetes API to find in-cluster servers that provide the desired gRPC service using custom Kubernetes annotations.

MessagePack is an efficient binary serialization format. It lets you exchange data among multiple languages like JSON. But it's faster and smaller. Small integers are encoded into a single byte, and typical short strings require only one extra byte in addition to the strings themselves.

An effort to create an open standard for transmitting metrics at scale, with support for both text representation and Protocol Buffers.

A GraphQL Server built on top of Gloo and the Envoy Proxy.

QLoo leverages Gloo's function registry and Envoy's advanced HTTP routing features to provide a GraphQL frontend for REST/gRPC applications and serverless functions. QLoo routes requests to data sources via Envoy, leveraging Envoy HTTP filters for security, load balancing, and more.

The gpb is a compiler for Google protocol buffer definitions files for Erlang.