Cloudflare is a web-infrastructure and website-security company, providing content-delivery-network services, DDoS mitigation, Internet security, and distributed domain-name-server services.
Facebook pixel is an analytics tool that allows you to measure the effectiveness of your advertising.
Google Sign-In is a secure authentication system that reduces the burden of login for users, by enabling them to sign in with their Google account.
ipify is a service which provide public IP address API, IP geolocation API, VPN and Proxy detection API products.
Progressive Web Apps (PWAs) are web apps built and enhanced with modern APIs to deliver enhanced capabilities, reliability, and installability while reaching anyone, anywhere, on any device, all with a single codebase.
Rewardful is a way for SaaS companies to setup affiliate and referral programs with Stripe.
Stripe offers online payment processing for internet businesses as well as fraud prevention, invoicing and subscription management.