NodeJS

From APIDesign

node.js is an attempt to use JavaScript on server. With the help of V8 and while using the fact that functions are first-class citizen in JavaScript the result is not that bad. Hopefully Java with lambdas will be able to catch up. Or maybe the right approach is to create a drop-in replacement?

Interesting tutorial: http://code.tutsplus.com/tutorials/nodejs-for-beginners--net-26314