Discover 5 Best Node.js Frameworks for server-side application
Koa is the new baby of the team behind Express. Still more minimalist, always more elegant, Koa offers more middleware unlike Express, just a list of methods that will quickly put in place a small web application. In my opinion the easiest to start with Nodejs.
Sail is what comes closest to Rails Node.js. Designed for large web applications, it allows you to quickly build a multiplayer game prototype, chat platform or other online applications. The advantage is that Sail scale really well, so you can then transform your prototype in a real application, and then site the web to fashion with thousands of visitors per day! (visitors not included).