Apache is a free and open-source cross-platform web server software.
Friendly Captcha is a proof-of-work based solution in which the user’s device does all the work.
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.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Progressive Web Apps (PWAs) are web apps built and enhanced with modern APIs to deliver enhanced capabilities, reliability, and installability while reaching anyone, anywhere, on any device, all with a single codebase.
TYPO3 is a free and open-source Web content management system written in PHP.
Unpkg is a content delivery network for everything on npm.