Vert.x

http://vertx.io/

framework serveur
 * asynchrone
 * bus distribué d'événements (utilisation en multi-coeur)
 * polyglotte : Javascript, CoffeeScript, Ruby, Python, Groovy, Java
 * mix and match several programming languages in a single app

Liens:
 * Comparison with Node.js : http://www.cubrid.org/blog/dev-platform/inside-vertx-comparison-with-nodejs
 * https://github.com/glyn/vert.x.osgi#readme
 * http://underlap.blogspot.fr/2012/06/osgi-case-study-modular-vertx.html