@angular/common is a core package in the Angular framework that provides essential services and functionalities for building Angular applications. It includes common directives, pipes, and services that are widely used across Angular applications, such as support for internationalization, HTTP client, and various utility functions. This package is fundamental for any Angular project, as it lays the groundwork for building robust and maintainable applications.

While @angular/common is crucial, there are several other Angular packages that serve different purposes and can complement its functionalities. Here are some alternatives:

• @angular/core is the foundational package for Angular applications. It provides the core functionalities, including the component and directive classes, dependency injection, and lifecycle hooks. This package is essential for building any Angular application, as it defines the framework's architecture and structure.
• @angular/forms is a package dedicated to building forms in Angular applications. It provides tools for creating reactive forms and template-driven forms, along with validation and form control management. If your application requires complex form handling, @angular/forms is the go-to package for managing user input and form state.
• @angular/http was an earlier package for making HTTP requests in Angular applications. However, it has been deprecated in favor of the more powerful HttpClient module found in @angular/common. While it may still be used in legacy applications, new projects should utilize the HttpClient from @angular/common for better performance and features.
• @angular/platform-browser is a package that provides browser-specific services and utilities for Angular applications. It includes features for rendering Angular applications in the browser, managing DOM elements, and handling browser events. This package is essential for any Angular application that runs in a web environment.
• @angular/router is the official Angular package for routing and navigation in Angular applications. It allows developers to define routes, manage navigation between different views, and handle route parameters. If your application requires a robust routing solution, @angular/router is indispensable for creating a seamless user experience.

To explore how @angular/common compares with its alternatives, visit the following link: Comparing @angular/common vs @angular/core vs @angular/forms vs @angular/http vs @angular/platform-browser vs @angular/router.