Ember.js is an open-source JavaScript web framework, based on the Model–view–viewmodel (MVVM) pattern. It allows developers to create scalable single-page web applications. Developed by emberjs
License: Open Source
KnockoutJS is a lightweight JavaScript library primarily focused on MVVM and two-way data binding, making it easy to implement dynamic UIs. In contrast, Ember.js is a full-fledged framework that provides convention over configuration, strong routing, and performance optimizations, making it suitable for large-scale applications.