Apache is a free and open-source cross-platform web server software.
Debian is a Linux software which is a free open-source 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.
Joomla is a free and open-source content management system for publishing web content.
ShareThis provides free engagement and growth tools (e.g., share buttons, follow buttons, and reaction buttons) for site owners.
UIKit is the framework used for developing iOS applications.