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Simple captcha based on plain text questions.
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Generates Text Catpchas, that are 'nice' by my own personal definition!
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Captcha generator for rails
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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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0-9 arası sayıları kullanarak random olarak 2 sayı seçer ve yine random olarak toplama ya da çarpma yaparak sonucu verir.
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wxianfeng_simple_captcha is captcha for rails,modified from simple_captcha .
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Easy to use classical captcha for Rails apps
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A simple CAPTCHA implementation for Rails 5+ based on RMagick.
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Block repetetive requests from logged_in users and shows captcha.
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To help with keep the bots at bay this gem helps you easily add honeypots to forms and/or obfuscate your form field names
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ALTCHA is a free, open-source CAPTCHA alternative that protects your website from spam and abuse
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This is a Captcha gem for ruby. It drawing captcha image with C code so it no dependencies.
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Submit captcha images and retrieve the text as a string.
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A simple and custom captcha for Rails3.
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Generates and verifies ascii art captcha.
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Unity Captcha is a gem that use two levels of Captcha. First level is about Left Hemisphere: Logic and Math. Second level is about Right Hemisphere: Intuition and Drawing. This two levels functioning in complete harmony creates unity and this is the base design of this Captcha.
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