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 AdSense is a program run by Google through which website publishers serve advertisements that are targeted to the site content and audience.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Open Graph is a protocol that is used to integrate any web page into the social graph.
PushPushGo is a GDPR-ready platform which enables startups, SMBs and corporations to create and send automatic web push notification campaigns on desktop and via mobile to manage various scenarios including abandoned carts, segmentation, cross-selling, customer engagement, and return rates.