Visual Studio Team Services

See Azure DevOps Services

https://www.visualstudio.com/en-us/products/what-is-visual-studio-online-vs.aspx

Visual Studio Team Services (almsuit)
Full Name	Visual Studio Team Services
Short Name	VSTS
Company	Microsoft
Web	https://www.visualstudio.com

tool, requirements, architecture, programming, test, maintenance, change, ci, projects, release