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RedisCaptcha provides simple captcha that can be read by human.
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Captcha form Jike API
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0.0
generate captcha by dalli,use the memcache
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0.0
MVC based Math, Logic Captcha
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0.0
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.
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0.0
Simple lib to generate a math_captcha to prevent spammers in form. Supports localization.
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0.0
A captcha verification approach for Rails apps, directly integrated into ActiveRecord’s validation mechanism and providing helpers for ActionController and ActionView.
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0.0
HumanDetector is a friendly logic captcha for Rails the doesn't require any external system dependency (e.g. external captcha API connections). It uses a simple question that any 7 or more years old human can understand, but that a spambot will not be able to answer. This Gem supports Ruby v1.9.2 and Rails 3.0.x.
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0.0
simple stupid captcha
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0.0
adds audio support to simple captcha
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0.0
Simple reverse captcha solution that consist in create a hidden field that should be always empty.
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0.0
This is a Captcha gem for Rails Applications. It drawing captcha image with C code so it no dependencies.
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0.0
Simple, easy captcha for Sinatra
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0.0
Simple captcha based on plain text questions.
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0.0
Captcha Gem for Rails, which generates captcha image by Rust.
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0.0
Rails mountable engine, that provides captcha support
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0.0
This is a Captcha gem for ruby. It drawing captcha image with C code so it no dependencies.
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0.0
Gem that uses RuCaptcha API to solver any type of captcha
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0.0
Simple Audio Extension to Simple Captcha
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A simple and custom captcha for Rails3.
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