Ember is referred as the little hamster of JS frameworks, but it is the larger framework with 93 KBs which is comparatively bigger than Knockout and Angular. However, this framework is suitable for creating minified codes which are very quick in nature. Ember.js focuses on creating graphics and it can also be very helpful for developers who want to develop wonderful and capturing front end.
Enyo.js is basically used for designed responsive web application and it enables the developers to create webpage that is fluid in nature, fast and perform perfectly on all types of resolutions. The web applications designed with Enyo.js are also compatible with tablets and mobile phones.
Skel is the lightweight, powerful breakpoint management, great CSS grid system and cross platform support and much more.
This is a lightweight coffeeScript library/DSL for reactive programming primitives.
Aura is a framework-agnostic, extensible architecture for decoupled and reusable components.