Azure DevOps is a Software as a service (SaaS) platform from Microsoft that provides an end-to-end DevOps toolchain for developing and deploying software
a DevOps toolchain and orchestration platform
language, platform and cloud provider agnostic
Azure DevOps provides developer services to support teams to plan work, collaborate on code development, and build and deploy applications (developers can work in the cloud using Azure DevOps Services or on-premises using Azure DevOps Server)
Azure DevOps provides version control, reporting, requirements management, project management, automated builds, lab management, testing and release management capabilities
It covers the entire application lifecycle, and enables DevOps capabilities
Azure DevOps comprises a range of services covering the full development life-cycle