Captcha - Friendly Captcha

Friendly Captcha anti-bot plugin for Joomla!

Organizations of all sizes—from startups to large enterprises—use Friendly Captcha to protect their websites and online services from spam and abuse. Friendly Captcha is easy to use and respects your user’s privacy.

Register at https://friendlycaptcha.com/ to get your site and secret keys.

Plugin Features

• Standard light and dark themes;
• CDN support;
• Option to load polyfills for older browsers;
• Supports 11 built-in languages (English, French, German, Italian, Dutch, Portuguese, Spanish, Catalan, Danish and Japanese);
• Supports Dedicated EU Endpoint (requires Friendly Captcha Business or Enterprise plan) with global endpoint as fallback.

System Requirements

• Joomla! 3.8 or higher (4.0 is supported);
• PHP 5.3.10 or higher (8.0 is supported);
• OpenSSL with TLS 1.2 support;
• One of the following HTTP transports in PHP: cURL, fsockopen() or fopen() with allow_url_fopen option enabled.

Read more https://extensions.joomla.org/browse/new/extension/access-a-security/site-security/captcha-friendly-captcha