ClearVoice - ClearVoice is a content marketing platform and service solution.
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.
Percolate - Content Marketing Redefined. Percolate is the first end-to-end technology for content marketing.
MTcaptcha - Enterprise Captcha solutions
uberflip - Organize and Centralize ALL of your Content in minutes
GeeTest CAPTCHA - GeeTest protects your websites, mobile Apps and APIs from bot threats.