Simple captcha

IQ, Math Captcha

Simple captcha image generator gem

Simple captcha based on plain text questions.

API to interact with BrandCAPTCHA http://www.pontamedia.com/en/brandcaptcha/

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.

LoyalSimpleCaptcha is available to be used with Rails 3 or above and also it provides the backward compatibility with previous versions of Rails.

0-9 arası sayıları kullanarak random olarak 2 sayı seçer ve yine random olarak toplama ya da çarpma yaparak sonucu verir.

Description of TinyCaptcha.

Repackaged visualCaptcha's backend service, including translation and minor modification. Mainly for private use. Everything still belongs to original author: emotionLoop.

This version include two important page 'Contact' and 'Register' with the 'Math-Captcha' method submit for prevent hacker attack.

Captchator as Rack middleware, and helpers for sinatra.

Captcha based on encyrpting and decrypting user data by mathematical operation

adds audio support to simple captcha

Ruby port of VIT AutoCaptcha

SimpleCaptcha is available to be used with Rails 3 + 4 or above and also it provides the backward compatibility with previous versions of Rails.

Captcha Client for YunPian.com

Simple negative captcha for Rails

Metabypass | Ruby-based easy implementation for solving any type of captcha by Metabypass

RedisCaptcha provides simple captcha that can be read by human.