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 Maps is a web mapping service. It offers satellite imagery, aerial photography, street maps, 360° interactive panoramic views of streets, real-time traffic conditions, and route planning for traveling by foot, car, bicycle and air, or public transportation.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
TYPO3 is a free and open-source Web content management system written in PHP.