greyfu

Greyfu Login Captcha adds a secure verification step to your WordPress login form, helping block automated login attempts and brute-force attacks.
Lite Version (Free): 
* Simple math-based captcha 
* Multisite compatible 
* Lightweight and fast 
* No personal data stored or transmitted 
* Works without any external service
Pro-Ready Features (Optional Upgrade): 
* Infrastructure prepared for reCAPTCHA v2 integration 
* Infrastructure prepared for hCaptcha integration 
* API key fields included
The free version is fully functional on its own and does not require any external captcha service.
<h3>Third Party Services</h3>
This plugin optionally connects to external captcha services when the Pro features are enabled:
Google reCAPTCHA (Optional) 
When reCAPTCHA is enabled in Pro settings, the plugin sends verification requests to Google’s reCAPTCHA service. 
– Service: https://www.google.com/recaptcha/ 
– Privacy Policy: https://policies.google.com/privacy 
– Terms of Service: https://policies.google.com/terms 
– Data sent: User’s IP address and reCAPTCHA response token 
– When: Only during login form submission when reCAPTCHA is enabled
hCaptcha (Optional) 
When hCaptcha is enabled in Pro settings, the plugin sends verification requests to hCaptcha service. 
– Service: https://www.hcaptcha.com/ 
– Privacy Policy: https://www.hcaptcha.com/privacy 
– Terms of Service: https://www.hcaptcha.com/terms 
– Data sent: User’s IP address and hCaptcha response token 
– When: Only during login form submission when hCaptcha is enabled
The free/lite version uses a built-in math captcha that does not connect to any external service.
<h3>Support / Contact</h3>
For issues or questions, please contact us: 
Email: hello@greyfu.com 
Website: https://greyfu.com

Greyfu Login Captcha

A lightweight captcha that protects your WordPress login page from automated bot attacks using a simple math challenge.

Kaya Studio

Why use “Kaya Login Captcha”?
This plugin Adds a simple captcha on login form, register form and lost-password form.
Easy install and use, captcha settings are fully customizable and you can choose the forms on which to display it. The blocked request HTTP status can be customized and the XML-RPC feature can be disabled.
Captcha statistics are also available on the settings page, with the count of passed and blocked requests sorted by year and month.
<h4>Features</h4>
<ul>
<li>Captcha available on the login form (Dashboard and WooCommerce).</li>
<li>Captcha available on the lost-password form (Dashboard and WooCommerce).</li>
<li>Captcha available on the register form (Dashboard and WooCommerce).</li>
<li>Editable Captcha code length.</li>
<li>Editable Captcha code format: numeric, alphabetic or alphanumeric.</li>
<li>Random lines available in the background of the Captcha.</li>
<li>Editable blocked request HTTP status.</li>
<li>XML-RPC WordPress API deactivatable.</li>
<li>Captcha statistics of passed and blocked requests sorted by year and month.</li>
<li>Compatible with WordPress MultiSite and WooCommerce.</li>
</ul>
“Kaya Login Captcha” is a professional login captcha system with fully customizable settings.
<h4>Privacy</h4>
This plugin does not collect or store any user data. It does not set any cookies and does not connect to any third-party applications. This plugin only generate a captcha code to verify human action for selected forms on your settings.
<h4>Available Languages</h4>
<ul>
<li>English.</li>
<li>French.</li>
</ul>
<h4>Feedback</h4>
Any suggestions or feedback is welcome, thank you for using or trying one of my plugins. Please take the time to let me know about your experiences and rate this plugin.

Kaya Login Captcha

Adds a simple captcha on login form, register form and lost-password form.

Greyfu Login Captcha vs Kaya Login Captcha