Bubble is a no-code platform that lets anyone build web apps without writing any code.
cdnjs is a free distributed JS library delivery service.
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.
jQuery is a JavaScript library which is a free, open-source software designed to simplify HTML DOM tree traversal and manipulation, as well as event handling, CSS animation, and Ajax.
JSDelivr is a free public CDN for open-source projects. It can serve web files directly from the npm registry and GitHub repositories without any configuration.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Plaid is a fintech company that facilitates communication between financial services apps and users' banks and credit card providers.
Stripe offers online payment processing for internet businesses as well as fraud prevention, invoicing and subscription management.