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0.45
A library to make creating negative captchas less painful
0.87
A plugin to make the process of creating a negative captcha in Rails much less painful
0.01
Drop in feedback engine with customizable fields, and captcha available
0.2
reCAPTCHA was too much for us, so we created this. Simplest captcha ever.
0.43
This is a Captcha gem for Rails Applications. It drawing captcha image with C code so it no dependencies.
0.0
Google reCaptcha helpers and verifier
0.16
DeathByCaptcha allows you to solve captchas with manual labor
0.3
Unobtrusive, flexible and simple spam protection for Rails applications using honeypot strategy for better user experience.
0.06
TwoCaptcha allows you to solve captchas with manual labor
0.01
ZeroCaptcha allows companies to solve captchas with artificial intelligence software, which is faster than humans and very accurate
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.
0.01
TwoCaptcha is an automated CAPTCHA solving service
0.01
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.
0.02
RubyGem package for visualCaptcha's backend service
0.11
Rack middleware Captcha verification using Recaptcha API.
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.
0.1
BrainBuster - a logic captcha for Rails
0.12
A simple way to add honeypot captchas to Rails forms