I've been seeing quite a few Rx-based libraries coming out, like Cycle.js (as you mentioned) and Yolk, which is "a small library built on top of Virtual DOM and

I've been seeing quite a few Rx-based libraries coming out, like Cycle.js (as you mentioned) and Yolk, which is "a small library built on top of Virtual DOM and RxJS": https://github.com/garbles/yolk https://github.com/garbles/yolk