CentrifugoDeliver realtime messages to application clients over WebSockets or server-sent events.
100% free open-source (Apache-2.0). Unlimited connections and message throughput.
Real-time WebSocket streaming, reverse proxy push & HTTP publish-subscribe
Free alternatives to Fanout
Find a free app for the parts of Fanout you actually use.
Compare the free allowance and limitations on each app’s page. These are workflow alternatives, rather than identical copies.
Free options
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SoketiSend realtime application events through a Pusher-compatible WebSocket server.
100% free open-source (Apache-2.0). Unlimited concurrent connections.