The Sensu Ruby SDK by Anthony Goddard interacts with the API to access monitoring and testing features. As a framework, Sensu provides infrastructure to track progress of health and business applications.
Google has released gRPC 1.0, a universal RPC Framework that can be used to build performance-oriented web applications. gRPC is based on Stubby, a single general-purpose RPC infrastructure used by Google for many years. gRPC 1.0 is a GA release and can be considered production ready.