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My version of SimpleCaptcha
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Ruby wrapper for Yandex.Cleanweb
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This gem enable to use Captchme. Anti spam, Monetize captcha and Audience qualification
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Description of TinyCaptcha.
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you will get arithmatic sum with answer you just have to compare with ur user in controller
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LoyalSimpleCaptcha is available to be used with Rails 3 or above and also it provides the backward compatibility with previous versions of Rails.
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Implements view helpers for the ASIRRA CAPTCHA system for Rails-based websites
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Merb plugin that provides resource access rate limits and captcha'ing
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Define questions and answers in a YAML file and validate your models with a single line of code. No more captchas or other stupid tricks.
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Captcha generator for rails
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This gem enable to use Captchme. Anti spam, Monetize captcha and Audience qualification
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