Font Awesome is a font and icon toolkit based on CSS and Less.
Internet Information Services (IIS) is an extensible web server software created by Microsoft for use with the Windows NT family.
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.
PHP is a general-purpose scripting language used for web development.
Pico CSS is a minimal CSS framework for semantic HTML, without using classes.
reCAPTCHA is a free service from Google that helps protect websites from spam and abuse.