Apache is a free and open-source cross-platform web server software.
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.
PHP is a general-purpose scripting language used for web development.
Statically is a free, fast and modern CDN for open-source projects, WordPress, images, and any static assets.
Unix is a family of multitasking, multiuser computer operating systems.