There are 2 repositories under azure-devops-services topic.
Azure DevOps Migration Tools allow you to migrate Teams, Backlogs, Tasks, Test Cases, and Plans & Suits from one Project to another in Azure DevOps / TFS both within the same Organisation, and between Organisations.
A collection of Power BI templates for all the sample Azure DevOps OData Power BI reports provided by Microsoft for you to visualise your Azure DevOps, Azure DevOps Server and/or TFS data.
Build and deploy an ASP.NET Core 3.1 Web API on Azure Kubernetes Service
Automating a Postman test suite using Newman and Azure DevOps
Migrate Azure DevOps entities easily from project to project, collection to collection and instance to instance.
Azure DevOps inventory script to gather information for projects, pipelines, agents, repositories.
Postman Collection for Azure DevOps REST API Version 7.1
A collection of tools to help with developing extensions for Azure DevOps.