Ember

Ember.js, commonly referred to as Ember, is an open-source JavaScript framework for building web applications. It follows the Model-View-Controller (MVC) pattern and provides a set of tools and conventions to create ambitious web applications with ease.

Key features of Ember include:

1. Routing: Ember provides a powerful router that allows developers to define URL patterns and map them to specific application states. This facilitates creating single-page applications with multiple views.
2. Templates: Ember uses Handlebars templates to define the application’s user interface. Handlebars is a templating language that allows you to write declarative and dynamic HTML templates.
3. Components: Components are reusable and isolated pieces of the user interface in Ember. They encapsulate their own behavior and presentation logic, making it easier to manage complex UI elements.
4. Data Binding: Ember supports two-way data binding, which means changes in the UI are automatically propagated to the underlying data model and vice versa.
5. Computed Properties: Ember allows developers to define computed properties that depend on other properties. These properties are automatically updated whenever their dependencies change.
6. Ember Data: Ember Data is a built-in library that provides a convenient way to manage and handle data models in the application. It integrates seamlessly with the Ember framework and makes handling data from various sources straightforward.
7. Testing: Ember has strong testing support, encouraging developers to write unit tests, integration tests, and acceptance tests to ensure the robustness of their applications.

To get started with Ember.js, you typically use Ember CLI (Command Line Interface), which provides various commands to generate project structures, components, routes, etc. Ember follows convention over configuration, which means it offers sensible defaults and project structures out of the box to streamline the development process.

Keep in mind that the information provided here is based on the state of Ember.js as of my last knowledge update in September 2021. Since software technologies evolve rapidly, I recommend checking the official Ember.js website or documentation for the latest information and updates.