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.
Modernizr is a JavaScript library that detects the features available in a user's browser.
RequireJS is a JavaScript library and file loader which manages the dependencies between JavaScript files and in modular programming.
TYPO3 is a free and open-source Web content management system written in PHP.