Angular is a popular open-source JavaScript framework for building web applications. It was created by Google and is now maintained by a large community of developers. Angular is based on the concept of components, which are modular and reusable blocks of code that can be used to build complex applications.

One of the main benefits of using Angular is its two-way data binding, which makes it easy to keep the view and model in sync. This reduces the amount of code required to manage the flow of data in an application and makes it easier to create dynamic and responsive user interfaces.

Angular also provides a rich set of built-in features, including a powerful template language, a comprehensive set of directives, and a range of APIs for working with forms, HTTP, and other common web technologies. Additionally, Angular is designed to be highly scalable, making it well-suited for building large, complex applications.

Angular is also supported by a large and growing community of developers, with many available resources such as tutorials, forums, and packages to help you get started quickly. The framework is also highly customizable, with a range of plugins and configuration options available to meet the specific needs of different projects.

Whether you're a seasoned web developer or just starting out, Angular is a great choice for building web applications. With its powerful features, scalability, and community support, it's no wonder that Angular is one of the most popular JavaScript frameworks for building web applications today.