RingoJS - Multi-threaded JavaScript on the JVM

Ringo is a JavaScript platform built on the JVM and optimized for server-side applications. It's based on the Mozilla Rhino JavaScript engine. It adds a number of features to Rhino that make it suitable for real-world, large-scale application development. It provides A rich set of modules covering I/O, logging, development tools, Support for blocking and none-blocking I/O, Scalable HTTP server based on the Jetty project and much more.