Cowboy is a small, fast, modular HTTP server written in Erlang.
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.
Polyfill is a service which accepts a request for a set of browser features and returns only the polyfills that are needed by the requesting browser.
Stripe offers online payment processing for internet businesses as well as fraud prevention, invoicing and subscription management.