Apache is a free and open-source cross-platform web server software.
Buy me a coffee is a service for online content creators that they may use to receive tips and donations to support their work.
Websites that have a shopping cart or checkout page, either using a known ecommerce platform or a custom solution.
Elfsight is an all-in-one platform offering 70+ customisable widgets for websites.
Google AdSense is a program run by Google through which website publishers serve advertisements that are targeted to the site content and audience.
Google Analytics is a free web analytics service that tracks and reports website traffic.
Open Graph is a protocol that is used to integrate any web page into the social graph.