hCaptcha - Do you use a captcha to keep out bots? hCaptcha is a drop-in replacement for reCAPTCHA that earns website owners money and helps companies get their data labeled.
Linkly - Linkly is a tool to help affiliate marketers track clicks and improve revenues.
MTcaptcha - Enterprise Captcha solutions
RocketLink - Rocketlink helps to grow your audience with URL shortener that allows firing retargeting scripts when the link is clicked.
GeeTest CAPTCHA - GeeTest protects your websites, mobile Apps and APIs from bot threats.
Rebrandly - Rebrandly is the easiest way to create, share and manage branded links.