Azure DevOps Services is a cloud service for collaborating on code development. It provides an integrated set of features that you access through your web browser or IDE client. The features are included, as follows:
Git repositories for source control of your code
Build and release services to support continuous integration and delivery of your apps
Agile tools to support planning and tracking your work, code defects, and issues using Kanban and Scrum methods
Many tools to test your apps, including manual/exploratory testing, load testing, and continuous testing
Highly customizable dashboards for sharing progress and trends
Built-in wiki for sharing information with your team
The Azure DevOps ecosystem also provides support for adding extensions and integrating with other popular services, such as: Campfire, Slack, Trello, UserVoice, and more, and developing your own custom extensions.