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.
FameBit - Easiest Way to Find, Hire, and Work with YouTube Influencers
MTcaptcha - Enterprise Captcha solutions
Assmb.ly - Powered by intelligent technology, we’re delivering the content readers need, exactly when they need it, across four dynamic brands (and counting).
GeeTest CAPTCHA - GeeTest protects your websites, mobile Apps and APIs from bot threats.
inzpire.me - An end-to-end solution for influencer marketing