BuzzSumo - BuzzSumo allows you to discover the most shared links and key influencers for any topic. It's free to use and you can run a search in seconds!
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.
Social Status - Automate your social media reporting
MTcaptcha - Enterprise Captcha solutions
Keyhole - Keyhole is a real-time hashtag tracker for Twitter, Instagram and Facebook. Its visual dashboard is simple, beautiful and shareable!
GeeTest CAPTCHA - GeeTest protects your websites, mobile Apps and APIs from bot threats.