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.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
ReadSpeaker is an intuitive text-to-speech API that converts text into natural-sounding audio files for websites and applications.
Ubuntu is a free and open-source operating system on Linux for the enterprise server, desktop, cloud, and IoT.