Azure is a cloud computing service for building, testing, deploying, and managing applications and services through Microsoft-managed data centers.
Google Tag Manager is a tag management system (TMS) that allows you to quickly and easily update measurement codes and related code fragments collectively known as tags on your website or mobile app.
Internet Information Services (IIS) is an extensible web server software created by Microsoft for use with the Windows NT family.
Sitecore provides web content management, and multichannel marketing automation software.