Captcha

To help with keep the bots at bay this gem helps you easily add honeypots to forms and/or obfuscate your form field names

Forked from https://github.com/kares/simple_captcha

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

Captcha-Plugin for Rails

A simple image captcha gem

Captcha Gem for Rails, which generates captcha image by Rust.

This plugin adds helpers for the YinXiangMa CAPTCHA API

you will get arithmatic sum with answer you just have to compare with ur user in controller

Description of RailsCaptcha.

Merb plugin that provides resource access rate limits and captcha'ing

The idi_captcha_generator gem provides a customizable CAPTCHA solution tailored for high-traffic applications, ensuring that only legitimate users can access features like sign-up and login forms. By leveraging image-based questions, it prevents automated systems from bypassing security measures. This gem is particularly useful in environments where external services (like Google reCAPTCHA) cannot be used due to network restrictions. With simple implementation steps, you can integrate robust CAPTCHA functionality into your Rails application, enhancing its security without sacrificing user experience. Feel free to modify these texts to better fit your vision for the gem! If you need further assistance or adjustments, just let me know!

This gem provides integration with Trustcaptcha for Ruby applications, offering CAPTCHA verification with a focus on security and privacy.

Captcha based on encyrpting and decrypting user data by mathematical operation

This is a gem wrapper for tiny captcha in C with no dependencies.

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

Ruby package for easy integration with the API of 2captcha captcha solving service to bypass recaptcha, hcaptcha, funcaptcha, geetest and solve any other captchas.

This library can help you create a captcha in your terminal application, which may be damaged by a large influx of requests.

NO LONGER MAINTAINED AND NOT RECOMMENDED, AS BOTS ARE ABLE TO RESOLVE CAPTCHAS BETTER THAN HUMANS. Based on Login Attempts check if captcha is necessary. It stores a permanent cookie and uses a table for tracking login requests.

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

ALTCHA is a free, open-source CAPTCHA alternative that protects your website from spam and abuse