0.0
Death by Captcha Ruby implementation (HTTP API)
0.0
RedisCaptcha provides simple captcha that can be read by human.
0.0
Rails mountable engine, that provides captcha support
0.0
MVC based Math, Logic Captcha
0.0
Simple lib to generate a math_captcha to prevent spammers in form. Supports localization.
0.0
It's a Rails Captcha Engine for Rails 3 applications.
0.11
Rack middleware Captcha verification using Recaptcha API.
0.1
BrainBuster - a logic captcha for Rails
0.05
ActsAsTextcaptcha provides spam protection for Rails models with text-based
logic question captchas. Questions are fetched from Rob Tuley's
textcaptcha.com They can be solved easily by humans but are tough for robots
to crack.
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...
0.02
SimpleCaptcha is available to be used with Rails 3 or above and also it provides the backward compatibility with previous versions of Rails.
0.02
RubyGem package for visualCaptcha's backend service
0.01
Drop in feedback engine with customizable fields, and captcha available
0.01
Antigate (Decode captcha service) wrapper for Ruby