Ant Design is a UI library that can be used with data flow solutions and application frameworks in any React ecosystem.
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.
Material Design Lite is a library of components for web developers.
Stripe offers online payment processing for internet businesses as well as fraud prevention, invoicing and subscription management.