Apache is a free and open-source cross-platform web server software.
Websites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.
Contao is an open source CMS that allows you to create websites and scalable web applications.
Elfsight is an all-in-one platform offering 70+ customisable widgets for websites.
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.
Typekit is an online service which offers a subscription library of fonts.