Which package is commonly used for state management in Flutter applications?

The 'provider' package is commonly used for state management in Flutter applications. It offers a simple and efficient way to manage the state of widgets by providing a centralized way to share and update data. The 'provider' package follows a declarative approach, making it easier to understand and implement state management in Flutter projects. Understanding how to use 'provider' is crucial for developing scalable and maintainable Flutter applications.