AngularJS is a JavaScript-based open-source web application framework led by the Angular Team at Google.
cdnjs is a free distributed JS library delivery service.
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.
Nginx is a web server that can also be used as a reverse proxy, load balancer, mail proxy and HTTP cache.
Open Graph is a protocol that is used to integrate any web page into the social graph.
Square is a mobile payment company that offers business software, payment hardware products and small business services.
Ubuntu is a free and open-source operating system on Linux for the enterprise server, desktop, cloud, and IoT.