Socket.IO enables real-time, bidirectional and event-based communication.
It works on every platform, browser or device, focusing equally on reliability and speed.
Push data to clients that gets represented as real-time counters, charts or logs.
Starting in 1.0, it's possible to send any blob back and forth: image, audio, video.
Instant messaging and chat
Socket.IO's "Hello world" is a chat app in just a few lines of code.
Allow users to concurrently edit a document and see each other's changes.
USED BY EVERYONE
From Microsoft Office, Yammer, Zendesk, Trello... to hackathon winners and little startups.
IMMENSELY POWERFUL, YET EASY TO USE
Our getting started guide will show you how to create lots of amazing applications in fewer than 200 lines of code.
We're not making that up. Get started now.