Centrifugo – self-hosted real-time messaging server with bidirectional (WebSocket, SockJS) and unidirectional transports (Eventsource, HTTP-streaming, GRPC), JSON and Protobuf protocols, builtin scalability with PUB/SUB brokers, fully universal/language-agnostic.

This page summarizes the projects mentioned and recommended in the original post on /r/selfhosted
Messaging Sockjs WebSocket Redis Real-time

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  • Centrifugo

    Scalable real-time messaging server in a language-agnostic way. Self-hosted alternative to Pubnub, Pusher, Ably. Set up once and forever.

  • pusher-js

    Pusher Javascript library

    • This is an alternative to https://pusher.com/, https://www.pubnub.com/, https://ably.com/. Not a drop-in replacement for anything in the list – has its own protocol and mechanics, but solves same problems – i.e.. it's possible to build chats, streaming metrics, live comments, multiplayer games on top of Centrifugo.

  • InfluxDB

    Power Real-Time Data Analytics at Scale. Get real-time insights from all types of time series data with InfluxDB. Ingest, query, and analyze billions of data points in real-time with unbounded cardinality.

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NOTE: The number of mentions on this list indicates mentions on common posts plus user suggested alternatives. Hence, a higher number means a more popular project.

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