Apache is a free and open-source cross-platform web server software.
cdnjs is a free distributed JS library delivery service.
Font Awesome is a font and icon toolkit based on CSS and Less.
Google Maps is a web mapping service. It offers satellite imagery, aerial photography, street maps, 360° interactive panoramic views of streets, real-time traffic conditions, and route planning for traveling by foot, car, bicycle and air, or public transportation.
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.
Stripe offers online payment processing for internet businesses as well as fraud prevention, invoicing and subscription management.
Ubuntu is a free and open-source operating system on Linux for the enterprise server, desktop, cloud, and IoT.