Azure DevOps (formerly known as Visual Studio Team Services or VSTS) is a set of development tools and services offered by Microsoft to help teams plan, develop, test, and deliver software more efficiently. Azure DevOps encompasses a wide range of capabilities to support the software development lifecycle. Here are some key aspects of Azure DevOps:

1. Azure DevOps Services: Azure DevOps provides cloud-hosted services for various aspects of software development, including version control (Azure Repos), continuous integration and continuous delivery (CI/CD) pipelines (Azure Pipelines), agile project management (Azure Boards), and application testing (Azure Test Plans).

2. Azure DevOps Server: In addition to the cloud-hosted services, Azure DevOps can be deployed on-premises as Azure DevOps Server. This allows organizations to manage their own DevOps environment in their data centers.

3. Version Control: Azure Repos offers Git and Team Foundation Version Control (TFVC) for source code management. It provides features like branching, merging, and pull requests to streamline collaboration among development teams.

4. CI/CD Pipelines: Azure Pipelines enables the automation of build and release processes. It supports building and deploying applications to various platforms, including Azure, on-premises servers, and other cloud providers.

5. Agile Project Management: Azure Boards provides tools for planning, tracking, and managing work items and tasks using agile methodologies like Scrum and Kanban. It allows teams to plan sprints, create backlogs, and track progress.

6. Application Testing: Azure Test Plans offers test case management, test execution, and reporting capabilities. It helps teams plan and track testing efforts to ensure software quality.

7. Artifact Management: Azure Artifacts provides a secure and scalable repository for managing packages (e.g., NuGet, npm, Maven) and dependencies used in software projects.

8. Integration: Azure DevOps integrates seamlessly with various development tools and services, including Azure services, GitHub, Jenkins, Docker, and many others. This allows for flexible and extensible DevOps workflows.

9. Extensibility: Azure DevOps offers a marketplace where you can find extensions and integrations to customize and extend its capabilities. You can also develop your own extensions using REST APIs.

10. Security and Compliance: Azure DevOps incorporates security features and compliance standards to ensure the protection of data and code. It supports role-based access control (RBAC) and compliance with regulations such as GDPR and HIPAA.

11. Reporting and Analytics: Azure DevOps provides reporting tools and dashboards to track project progress, monitor builds, and gain insights into development processes.