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.
ShareX - ShareX is a free and open source program that lets you capture or record any area of your screen...
MTcaptcha - Enterprise Captcha solutions
Greenshot - Greenshot is a free and open source screenshot tool that allows annotation and highlighting using the built-in image editor.
GeeTest CAPTCHA - GeeTest protects your websites, mobile Apps and APIs from bot threats.
LightShot - The fastest way to take a customizable screenshot.