Advanced CAPTCHA plugin
Various CAPTCHA types: reCAPTCHA V3, math, text and Q&A CAPTCHA. Login, register, forgotten password, contact, post item, edit item and add comment forms. reCAPTCHA V3 is fully invisible. Requires small theme mods in some cases. Described in admin settings page.
If you have a GitHub account, pressing Star on the repo would be kind of you…