Is Backbone.js dead? How many of you still use this framework?

Backbone.js is one of the first popular JavaScript frameworks the web had seen. A few years ago, it was on extremely high demand and an employer would do anything to hire a good BackboneJS developer. However, things have changed now with

Which JavaScript framework would you choose to create a custom CMS? And why?

Out of AngularJS, BackboneJS and ReactJS, which framework would you choose to create a custom CMS? I am looking for following things: Easily create custom routes.No SEO issuesGood code organisation.

Which one is your favourite JavaScript MVC framework?