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Comms
Realtime rooms, inboxes, and the sockets that keep people talking.
21 tools · 16 open-source
- LiveKitApache-2.0 realtime rooms, SFU, and agents20.7k
- ChatwootMIT-core support inbox you can self-host for $0/agent36.4k
- Socket.IOMIT realtime library with fallbacks, not a hosted product63.2k
- PlunkAGPL-3.0 transactional email, workflows, and broadcasts5.4k
- CentrifugoApache-2.0 Go realtime server binary, not in-process Socket.IO10.7k
- LiveblocksHosted collab rooms; Free $0 pauses at the cap4.7k
- YjsMIT CRDT library, not a hosted collab product22.7k
- SoketiAGPL-3.0 Pusher Protocol v7 server you run yourself5.6k
- MercureAGPL-3.0 SSE hub; homepage still says MIT5.3k
- NATSApache-2.0 subject-based messaging and streaming fabric20.7k
- AnyCableMIT realtime for Action Cable with delivery guarantees2.4k
- mediasoupISC embeddable SFU as a Node module or Rust crate7.4k
- PeerJSMIT browser P2P WebRTC with free cloud or self-host signaling13.4k
- MauticGPL-3.0 self-host marketing automation; hosted trial is not free10.4k
- Janus GatewayGPL-3.0 plugin-core WebRTC gateway (SIP, VideoRoom, streaming)9.2k
- SocketClusterMIT Node pub/sub+RPC+JWT with SCC scale-out6.2k
- Laravel ReverbMIT first-party Laravel WebSocket server1.6k
- TuwunelApache-2.0 Matrix homeserver; official conduwuit successor2.5k
- Eclipse MosquittoEPL-2.0 / BSD-3 MQTT broker; OSS self-host forever free11.2k
- SockudoMIT Rust Pusher V1 edge + Protocol V2 recovery/history/push795
- PartyKitMIT realtime rooms on Cloudflare Durable Objects; pay CF Workers only1.3k
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