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.
Nuxt is a Vue framework for developing modern web applications.
Vue.js is an open-source model–view–viewmodel JavaScript framework for building user interfaces and single-page applications.