The top Azure services commonly used across applications are Azure SQL Database, Azure Storage Account, and Azure App Service.

Azure SQL Database provides a scalable, managed relational database solution with built-in high availability and performance optimization, making it ideal for data-driven applications.

Azure Storage Account is widely used for secure, reliable, and scalable storage of unstructured data like files, blobs, and queues, supporting diverse use cases like backups and data distribution.

Azure App Service simplifies hosting web applications, APIs, and backend services, offering seamless scaling, robust integration with other Azure services, and support for multiple programming languages.