AngularFire
AngularFire is the official library for Firebase and Angular, providing Angular-specific bindings and services to integrate Firebase's backend services—such as Realtime Database, Firestore, Cloud Storage, and Authentication—seamlessly into Angular applications. It simplifies the process of connecting Angular apps to Firebase by offering observables, authentication guards, and other Angular-friendly APIs. This library enables developers to build real-time, serverless web applications with minimal boilerplate code.
Developers should learn AngularFire when building Angular applications that require real-time data synchronization, user authentication, or cloud-based storage, as it streamlines Firebase integration with Angular's reactive patterns. It is particularly useful for projects like chat apps, collaborative tools, or dashboards where live updates are essential, reducing the need for manual state management and server setup. Using AngularFire ensures best practices and compatibility with Angular's ecosystem, making development faster and more maintainable.