Rails Captcha

Captchas help to establish that a user is human to protect websites from bots and spam by presenting challenges that are hard to solve for computers

Low commit activity in last 3 years
There's a lot of open issues
A plugin to make the process of creating a negative captcha in Rails much less painful
A long-lived project that still receives updates
ActsAsTextcaptcha provides spam protection for Rails models with a text-based logic question captcha. Questions are fetched from Rob Tuley's They can be solved easily by humans but are tough for robots to crack. For reasons on why logic based captchas are a good idea visit
No commit activity in last 3 years
No release in over 3 years
SimpleCaptcha is available to be used with Rails 3 or above and also it provides the backward compatibility with previous versions of Rails.