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0.3
Unobtrusive, flexible and simple spam protection for Rails applications using honeypot strategy for better user experience.
0.2
reCAPTCHA was too much for us, so we created this. Simplest captcha ever.
0.2
SimpleCaptcha is available to be used with Rails 3 + 4 or above and also it provides the backward compatibility with previous versions of Rails.
0.05
Despamilator is a plugin based spam detector designed for use on your web forms borne out of two annoyances: Spam being submitted in my web forms and CAPTCHAS being intrusive. Despamilator will apply some commonly used heuristics from the world of anti-spam to help you decide whether your users a...
0.16
DeathByCaptcha allows you to solve captchas with manual labor
0.02
RubyGem package for visualCaptcha's backend service
0.0
LoyalSimpleCaptcha is available to be used with Rails 3 or above and also it provides the backward compatibility with previous versions of Rails.
0.11
Rack middleware Captcha verification using Recaptcha API.
0.01
Integrate the AreYouAHuman.com CAPTCHA alternative human verification into your Ruby/Rails application
0.0
you will get arithmatic sum with answer you just have to compare with ur user in controller
0.0
Due to many unrequited complaints to the recaptcha team with regard to its unreadability for real human users, this gem offers a more readable selection of captcha images.
0.0
Captcha based on encyrpting and decrypting user data by mathematical operation
0.0
Submit captcha images and retrieve the text as a string.
0.0
Captchator as Rack middleware, and helpers for sinatra.
0.0
Death by Captcha Ruby implementation (HTTP API)
0.0
RedisCaptcha provides simple captcha that can be read by human.