What Is Angular#
It is component-oriented.
It is shipped with RxJS, the Reactive Programming library.
It works with TypeScript, a superset of EcmaScript 6, which allows a cleaner coding.
It provides a powerful CLI to build projects.
For these reasons it is a very good framework which is both powerful and easy to use.
Angular was initially known as Angular 2 as AngularJS was its ancestor. Angular and AngularJS are very different.
Their names are quite close, when looking for packages, verify carefully which Angular it is compliant with.