Apache is a free and open-source cross-platform web server software.
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.
Leaflet is the open-source JavaScript library for mobile-friendly interactive maps.
Tiny Slider is a vanilla javascript slider for all purposes.
TYPO3 is a free and open-source Web content management system written in PHP.
Unpkg is a content delivery network for everything on npm.