Hapi.js is now coming to the front for secure routing while separating business logic for node.js builds.
hapi.js
About:
Hapi.js was built by an WalMart employee before black friday.
Articles:
Express to Hapi.js
Using hapi.js with Socket.io
More: hapi was created around the idea that configuration is better than code, that business logic must be isolated from the transport layer, and that native node constructs like buffers and stream should be supported as first class objects. But most importantly, it was created to provide a modern, comprehensive environment in which as much of the effort is spent delivering business value.
"We used Express for a few months until we hit a wall.
Some of the features we needed required a cleaner isolation between the node HTTP server, the router (the part matching requests to handlers), and the actual business logic"
Resources
WalMart's Use case