deepstream.io on Ubuntu 24.04 LTS

Overview

deepstream.io is a realtime server for applications that need state to stay in step across many clients at once. It offers four primitives over a single websocket connection: records, which are JSON documents that synchronise automatically so every subscriber sees a change the moment it is written; events, a straightforward publish and subscribe channel for fire and forget messages; remote procedure calls, which route a request to whichever client has registered to answer it and return the result; and presence, which reports who is currently connected. Clients subscribe to what they care about and the server handles fan out, so an application does not have to poll, diff or reconcile state by hand.

It suits collaborative editors and shared dashboards, multiplayer and realtime game state, live tracking and telemetry feeds, chat and notification backends, and any service that needs to push updates to browsers, mobile apps or backend workers without building a bespoke socket layer. A HTTP and JSON interface sits alongside the websocket endpoint so systems that cannot hold an open connection can still publish and read.

Common uses

• Realtime state sync for collaborative editors and shared dashboards
• Publish and subscribe messaging between browsers, apps and backend workers
• Live tracking, telemetry and presence feeds for connected clients