infinity-next/brennan-captcha
An anti-bot image captcha system written by Frederick Brennan and ported to Laravel for Infinity Next by Joshua Moon.
时间：2015-09-07 11:26
d3n4/vk4php
PHP Library for use API of social network vkontakte (vk.com) Library from VK4* series <Easy2use> Useful for server-side.
时间：2015-03-30 16:33
elcodedocle/captchalot
Captcha image generator/validator RESTful web service
时间：2014-10-26 22:34
fabianwennink/iconcaptcha
IconCaptcha is a self-hosted, customizable, easy-to-implement and user-friendly captcha.
时间：未知
usarise/turnstile
PHP library for Turnstile, is Cloudflare’s smart CAPTCHA alternative. It can be embedded into any website without sending traffic through Cloudflare and works without showing visitors a CAPTCHA.
时间：未知