A captcha solver (only for easy ones) gem

这是一个验证码生成器。基于rucaptcha。本人只是将他的源码拉下来。为我的网站进行适配。因为我不使用sesion.id

A Google-style captcha for enterprise Rails apps

Russian Post tracking toolset, consisting tracking form bot (since Russian Post is too retarded for normal API) and captcha solver/recognizer.

Helps humankind with simpler captchas

A simple and fast image captcha generator that uses opencv and memcached.

wxianfeng_simple_captcha is captcha for rails,modified from simple_captcha .

Generates Text Catpchas, that are 'nice' by my own personal definition!

Gem that uses RuCaptcha API to solver any type of captcha

My version of SimpleCaptcha

A honeypot style captcha extension for ActiveRecord. Simple one-line inclusion in the model combined with a simple form field should trap the bad guys in the molasses.

A captcha that uses images instead of garbled text

Captcha library which uses imagemagick to create captchas

Submit captcha images and retrieve the text as a string.

generate captcha by dalli,use the memcache

ReCaptcha implements view helpers to generate ReCaptcha code, with the noscript counterpart, required methods that interface with the HTTP API for captcha verification, a DSL to generate a before_filter and the code to implement AJAX captcha validation.

This gem enable to use Captchme. Anti spam, Monetize captcha and Audience qualification

MVC based Math, Logic Captcha

RMagickCaptcha is a gem that implements captcha for using in Rails application.

Easy to use classical captcha for Rails apps