noice-json-rpc

Noice Json RPC exposes a clean ES6 Proxy and Promise based interface for JSON-RPC2 Clients and Servers

raptor-rpc

Raptor RPC is a transport-agnostic RPC server with middleware support and an easy to use api. It will allow you to have a server up and running in a matter of minutes, without limiting you to a specific transport.

jrpc2

JSON-RPC 2.0 library with support of batches and named parameters. Features: Express, Koa, Socket.IO middlewares + HTTP, TCP, ZeroMQ transports

raptor-client

A transport-agnostic RPC client that follows the JSON-RPC 2.0 spec. Works in the browser and on the server.