krowinski/one-click-captcha
Simple captcha that requires from user to only click a cut circle on image with several other circles. You can customize color of circles, background, width and height of image. Its very lightweight require no js just simple form in html and php gd extension.
时间：2015-12-07 01:20
eve-php/eve-plugin-captcha
Google Captcha Plugin for the Eve Framework
时间：2015-11-10 13:37
rheck/captcha
Library to generate Captcha for Symfony2 PHP Framework
时间：2015-07-15 19:45
psecio/security-bundle
A bundle of recommended PHP security libraries
时间：2015-06-12 17:42
mailru/nocaptcha
PHP module for working with Nocaptcha Mail.Ru service
时间：2015-05-19 10:53
captcha-com/cakephp-captcha
CakePHP Captcha Plugin -- BotDetect PHP CAPTCHA generator integration for the CakePHP framework.
时间：2015-04-07 07:42
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
mybb/are-you-a-human
The Are You A Human PHP Library for composer
时间：2015-03-25 12:10
tyrola/recaptcha
A properly coded PHP 5 reCaptcha class that will allow you to interact with Google's reCaptcha API v2.
时间：2015-01-17 17:48
phpninjas/recaptcha
PHP Library to support Google captcha.
时间：2014-12-04 20:55
techvirtual/cool-php-captcha
This is a very cool package!
时间：2014-10-13 13:53
magkopian/php-math-captcha
A simple class for generating and validating math captcha images
时间：2014-10-04 15:01