pWS - Pusher over uWS - A free, open-source alt. for the Pusher service. 📡
pWS is a free, open-source alternative for the Pusher service. 📡
The server is built on top of uWebSockets.js - a C application ported to Node.js, that claims to be running 8.5x that of Fastify and at least 10x that of Socket.IO. (source)