Try it in the GopherJS Playground
I’m thinking about setting up one of these in my man cave.
Atmosphere: Realtime client-server framework for the JVM, supporting WebSockets and cross-browser fallback support
Deployable on most Java based application servers such as Tomcat, JBoss Jetty, Resin, GlassFish, Undertow, WebSphere, WebLogic, Netty, Play! Framework and Vert.x.
Gow (GNU on Windows): Package of 100+ UNIX utilities compiled for Windows – Lightweight alternative to Cygwin
List of utilities here: https://github.com/bmatzelle/gow/wiki/executables_list