Apache is a free and open-source cross-platform web server software.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Kentico CMS is a web content management system for building websites, online stores, intranets, and Web 2.0 community sites.
ASP.NET is an open-source, server-side web-application framework designed for web development to produce dynamic web pages.
Unix is a family of multitasking, multiuser computer operating systems.