Marionette.js

Marionette.js is a JavaScript framework designed to make building complex, interactive web applications more manageable. It provides tools and structure for organizing code, handling user interface components, and synchronizing data with the display. By using Marionette.js, developers can create reusable, modular parts of an app, improve code maintainability, and streamline development. It works alongside other libraries like Backbone.js to enhance their capabilities, making it easier to create responsive, well-structured web applications efficiently.