cdnjs is a free distributed JS library delivery service.
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.
ASP.NET is an open-source, server-side web-application framework designed for web development to produce dynamic web pages.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Progress Sitefinity is a content management system (CMS) that you use to create, store, manage, and present content on your website.
Ubuntu is a free and open-source operating system on Linux for the enterprise server, desktop, cloud, and IoT.