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.
Twicca - Twicca is a Twitter client for Android that is simply awesome. Features: * Notification
MTcaptcha - Enterprise Captcha solutions
HootSuite - Enhance your social media management with Hootsuite, the leading social media dashboard. Manage multiple networks and profiles and measure your campaign results.
GeeTest CAPTCHA - GeeTest protects your websites, mobile Apps and APIs from bot threats.
Plume - App for writing documents, scripts, books and more.