Do you do web development in Ruby? Have you been forced to go to node or other technologies just for concurrency/websockets etc. Do miss your gems, and tire of functionality you have to implement from scratch? Do you hate javascript? Well no need to switch languages/platforms, Jubilee could be your new best friend. Jubilee, a rack server on top of Vert.x gives you Concurrency Speed Easy Websockets support Shared Memory Access to the JVM ecosystem Ability to reuse your existing Ruby knowledge and gems "Say Hello to your new friend" - Al Pacino