Apache is a free and open-source cross-platform web server software.
FlippingBook is a web-based software platform that enables users to create, publish, and share digital publications such as magazines, brochures, catalogs, and presentations.
Google Analytics is a free web analytics service that tracks and reports website traffic.
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.