Azure provides a range of always-free services that are valuable for testing, development, and small-scale applications. Some of the most commonly used services include Azure Virtual Machines, Azure Blob Storage, Azure Functions, and Azure SQL Database. These free tiers offer limited usage, such as a small number of virtual machine hours, storage space, and function executions, which are ideal for developers and teams looking to experiment or build prototypes without incurring additional costs. For projects that require cloud infrastructure but have minimal resource needs, these services can be incredibly helpful. They enable developers to familiarize themselves with Azure’s ecosystem, test code, and develop applications efficiently. However, the free tiers are limited in terms of scalability, so they may not be suitable for large-scale production workloads.