Apache Tomcat

Apache Tomcat is an open source software implementation of the Java Servlet and JavaServer Pages technologies.

Free Open Source Mac OS X Windows Linux

JBoss

JBoss is Red Hats Java EE 5-compliant (soon Java EE 6-compliant) application server. It is, as with Red Hat itself, dual-licensed either as open source (community edition) or commercially (enterprise edition).

Free Open Source Mac OS X Windows Linux

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

Jetty

The Jetty Web Server provides a HTTP server and Servlet container capable of serving static and dynamic contend either from a standalone or embedded instantiations.

Free Open Source Mac OS X Windows Linux

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

Notifyr

Notifyr's cloud push notification service is the easiest way to get started with realtime apps

Free Web