Express is a web application framework for Node.js, released as free and open-source software under the MIT License. It is designed for building web applications and APIs.
HTTP Strict Transport Security (HSTS) informs browsers that the site should only be accessed using HTTPS.
Lodash is a JavaScript library which provides utility functions for common programming tasks using the functional programming paradigm.
Stripe offers online payment processing for internet businesses as well as fraud prevention, invoicing and subscription management.