AngularJS is a JavaScript-based open-source web application framework led by the Angular Team at Google.
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.
Google Analytics is a free web analytics service that tracks and reports website traffic.
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.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Plaid is a fintech company that facilitates communication between financial services apps and users' banks and credit card providers.
YouTube is a video sharing service where users can create their own profile, upload videos, watch, like and comment on other videos.