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.
PayPal is an online payments system that supports online money transfers and serves as an electronic alternative to traditional paper methods like checks and money orders.
Svelte is a free and open-source front end compiler created by Rich Harris and maintained by the Svelte core team members.
Ubuntu is a free and open-source operating system on Linux for the enterprise server, desktop, cloud, and IoT.