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

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

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

simperium

Simperium is a service for developers to move data everywhere it's needed, instantly and automatically. Use a Simperium library and write a few lines of code....

Freemium Mac OS X Windows

Mako Server

The Mako Server is an application server with an API that loosely resembles the Java Servlet API, but where server side web applications are designed in the Lua...

Free Personal Mac OS X Windows Linux