List of anti-detect and humanizing tools and browsers, including captcha solvers and sms-activation.

CrowdSec is an open-source cyber security tool. This plugin blocks detected attackers or display them a captcha to check they are not bots.

The official PHP bouncers library for the CrowdSec LAPI

Nice Captcha with good quality and security for keeping safe from bots using PHP.

PHP Captcha Generator using libgd

Implementing a captcha service using PHP and javascript to can use it anywhere such as Web.

Customizable & simple Pleroma/Kocaptcha-compatible CAPTCHA. (Mirror 🪞)