Are you still using Backbone + Marionette JS for building application?

Backbone? Worth it?

I am learning backbone.js because of new company's legacy code. Shouldn't I be investing my time on vue.js or React.js? Though I have learnt quite a lot of javascript while developing in backbone, but I am sort of confused.

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What are the options for a client MVC framework if you don't want to go with Angular 1.4 or 2.0 ?

Are there frameworks more suited for making real time apps ? How do you compare using Backbone with node and meteor with react ? To all those who gave their inputs, thank you. Those who differ in opinion about angular 1.4 and are suggesti