Nurul Islam

Turnstile Pro adds Cloudflare’s free Turnstile CAPTCHA protection to your WordPress site without needing Google reCAPTCHA.
<ul>
<li>Protects login, registration, comment, and password reset forms</li>
<li>Dynamic or Static Turnstile script loading (performance optimized)</li>
<li>Admin settings panel with IP whitelist management</li>
<li>Custom error message option</li>
<li>Clean uninstall support (removes plugin settings)</li>
<li>Translation ready</li>
</ul>
Turnstile Pro is lightweight and follows WordPress coding standards.
<h3>Credits</h3>
Plugin developed by Nurul Islam. 
GitHub: <a href="https://github.com/faqnurul" rel="nofollow ugc">https://github.com/faqnurul</a>

Turnstile Pro – Cloudflare CAPTCHA Protection

Lightweight, easy-to-configure Cloudflare Turnstile CAPTCHA protection for WordPress login, registration, comments, and password reset forms.

Silkalns

WP Chill

Cristian Raiber

A very useful plugin for everyone using WordPress. Adds reCaptcha security to the WordPress login form, register form and comment form. This plugin could help your blog get rid of a lot of spam comments or brute-force attacks.
Nothing gets passed it if the reCaptcha doesn’t validate.
A few notes about the plugin:
<ul>
<li>Supports audio or image captcha types</li>
<li>Can generate the reCaptcha image / audio type in a number of predefined languages</li>
<li>Adds reCaptcha protection to the WordPress login form</li>
<li>Adds reCaptcha protection to the WordPress register form</li>
<li>Adds reCaptcha protection to the WordPress comment form</li>
<li>Adds reCaptcha protection to the WordPress recover password form</li>
</ul>

Uber reCaptcha

This plugin adds the reCaptcha form to the WordPress login form, recover password form, register form and comment form.

Turnstile Pro – Cloudflare CAPTCHA Protection vs Uber reCaptcha