Pubnub

PubNub is the world’s only global Real-Time Network. PubNub enables software developers to rapidly build and scale real-time apps by providing the cloud infrastructure, connections and key building blocks for real-time interactivity.

Freemium Mac OS X Windows Linux Android iPhone iPad Chrome OS Web

emitter.io

Real-time communication service for connecting online devices. Infrastructure and APIs for IoT, gaming, apps and real-time web.

Free Open Source Mac OS X Windows Linux Android iPhone Android Tablet Web Windows RT

Pusher

Pusher is a hosted API for quickly, easily and securely adding scalable realtime functionality to web and mobile apps.

Commercial Mac OS X Windows Linux Android Web

Socket.io

Socket.IO aims to make real-time apps possible in every browser and mobile device, blurring the differences between the different transport mechanisms. It's...

Free Open Source Mac OS X Windows Linux Web JavaScript

Bone.io

Bone.io is a lightweight framework for building high performance Realtime Single Page JavaScript applications.

Free Open Source Mac OS X Windows Linux JavaScript Node.JS