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.
HERE is a PaaS for creating custom maps, visualize location datasets, gather insights and buy and sell location assets.
Next.js is a React framework for developing single page Javascript applications.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Prismic is a headless CMS for Jamstack.