Azure DevOps is a suite of development tools provided by Microsoft to support DevOps practices. It includes services like Azure Repos for version control, Azure Pipelines for CI/CD automation, Azure Boards for work tracking, Azure Artifacts for package management, and Azure Test Plans for testing. Azure DevOps enables teams to plan smarter, collaborate better, and deliver faster by integrating development, testing, and deployment processes into a unified workflow. It supports a wide range of programming languages and platforms, making it a versatile tool for modern software development and operations.