cdnjs is a free distributed JS library delivery service.
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.
Plesk is a web hosting and server data centre automation software with a control panel developed for Linux and Windows-based retail hosting service providers.
Webflow is Software-as-a-Service (SaaS) for website building and hosting.