可下载、免费、开源——替代 PubNub 的选择
可扩展实时消息服务器 — Scalable real-time messaging server in a language-agnostic way. Self-hosted alternative to Pubnub, Pusher, Ably, socket.io, Phoenix.PubSub, SignalR. Set up once and forever.
↔ 开源替代 Pusher、Ably、PubNub
