cdnjs is a free distributed JS library delivery service.
Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.
Font Awesome is a font and icon toolkit based on CSS and Less.
ASP.NET is an open-source, server-side web-application framework designed for web development to produce dynamic web pages.
Ruby on Rails is a server-side web application framework written in Ruby under the MIT License.
WhatsApp Business is a free to download app available on Android and iPhone using which businesses can connect with their customers.