cdnjs is a free distributed JS library delivery service.
Contentful is an API-first content management platform to create, manage and publish content on any digital channel.
Cowboy is a small, fast, modular HTTP server written in Erlang.
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.
Heroku is a cloud platform as a service (PaaS) supporting several programming languages.
Next.js is a React framework for developing single page Javascript applications.