by folkhack on WordPress.org
Adds "No CAPTCHA reCAPTCHA" field to Gravity Forms as an alternative CAPTCHA option
Plugin in action on contact form
Adds a “No CAPTCHA reCAPTCHA” field type to Gravity Forms form builder with light/dark theme options. Forms with a “No CAPTCHA reCAPTCHA” will validate the field before successful submission.
A gesture based CAPTCHA scheme. Integrates with Contact Form 7
Defendium is a powerful spam checker plugin for WordPress, integrating with the Defendium API to scrutinize incoming comments for spam.
Easy reCaptcha Shortcodes lets you add Google reCAPTCHA v2 to forms via shortcodes, while reCAPTCHA v3 runs automatically once configured.