hCaptcha

hCaptcha is a free, private and secure alternative to Google reCAPTCHA that doesn’t track the people who are using it.
hCaptcha works along similar lines to Google’s version but offers more methods of identifying and blocking bots.

Sign up at:
https://hcaptcha.com/
https://hCaptcha.com/
Download (Last update: May 1, 2020)
hCaptcha extension


Requirements:
Works best with WYSIWYG Web Builder 15.4 or higher