Captcha

Simple captcha

Solve Media CAPTCHA Replacement

A honeypot style captcha extension for ActiveRecord. Simple one-line inclusion in the model combined with a simple form field should trap the bad guys in the molasses.

simple stupid captcha

helps poor senior data entry specialists in developing countries

Google reCAPTCHA v3 + Rails (integration)

My version of SimpleCaptcha

This plugin adds helpers for the reCAPTCHA API

This plugin adds helpers for the reCAPTCHA API

Simple recaptcha plugin which allows to add reCAPTCHA validations to your forms

NyarglRecaptcha is a simple gem for integration Google reCAPTCHA v2.0 to your projects

Repackaged visualCaptcha's backend service, including translation and minor modification. Mainly for private use. Everything still belongs to original author: emotionLoop.

Easy to use classical captcha for Rails apps

Rails Plugin that makes it super easy to add recaptcha to any model form

RedisCaptcha provides simple captcha that can be read by human.

This plugin adds helpers for the reCAPTCHA API

Simple Google reCAPTCHA library

Merb plugin that provides helpers for recaptcha.net service

Merb plugin that provides helpers for recaptcha.net service

Arithmetic Captcha

API to interact with BrandCAPTCHA http://www.pontamedia.com/en/brandcaptcha/

A very simple rack captcha middleware via captchator.com API

Block repetetive requests from logged_in users and shows captcha.

Captcha based on encyrpting and decrypting user data by mathematical operation

Simple gem to add captcha or negative captcha to your Rails 3 application

Generates and verifies ascii art captcha.

0-9 arası sayıları kullanarak random olarak 2 sayı seçer ve yine random olarak toplama ya da çarpma yaparak sonucu verir.

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

anti-captcha is a Ruby library for recognize captcha on anti-captcha.com

ZeroCaptcha allows companies to solve captchas with artificial intelligence software, which is faster than humans and very accurate

Description of TinyCaptcha.

Ruby port of VIT AutoCaptcha

A simple and custom captcha for Rails3.

IQ, Math Captcha

This gem enable to use Captchme. Anti spam, Monetize captcha and Audience qualification

adds audio support to simple captcha

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

Captcha Client for YunPian.com

Simple captcha image generator gem

A gem to generate captcha pictures.

Simple negative captcha for Rails

Display and verify arcaptcha service captcha

Anti-spam protection for your website

create captcha for api based project

SimpleCaptcha is available to be used with Rails 3 + 4 or above and also it provides the backward compatibility with previous versions of Rails.

This is a Captcha gem for Rails Applications. It drawing captcha image with C code so it no dependencies.

Implements view helpers for the ASIRRA CAPTCHA system for Rails-based websites

This gem enable to use Captchme. Anti spam, Monetize captcha and Audience qualification

This is mt first gem

Unity Captcha is a gem that use two levels of Captcha. First level is about Left Hemisphere: Logic and Math. Second level is about Right Hemisphere: Intuition and Drawing. This two levels functioning in complete harmony creates unity and this is the base design of this Captcha.