Apache is a free and open-source cross-platform web server software.
Chart.js is an open-source JavaScript library that allows you to draw different types of charts by using the HTML5 canvas element.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Open Graph is a protocol that is used to integrate any web page into the social graph.
TYPO3 is a free and open-source Web content management system written in PHP.