Description of RailsCaptcha.

Anti-spam protection for your website

Solve Media CAPTCHA Replacement

Captcha generator for rails

A captcha that uses images instead of garbled text

This plugin adds helpers for the YinXiangMa CAPTCHA API

Define questions and answers in a YAML file and validate your models with a single line of code. No more captchas or other stupid tricks.

Helps humankind with simpler captchas

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.

My version of SimpleCaptcha

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

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

这是一个验证码生成器。基于rucaptcha。本人只是将他的源码拉下来。为我的网站进行适配。因为我不使用sesion.id

Helper for Turnstile Captcha API

Easy to use classical captcha for Rails apps

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

Display and verify arcaptcha service captcha

Antispam helps prevent spam in your Rails applications by checking against DNS blacklists and spam-prevention databases. It has two core features: (1) IP-based spam detection using Project Honey Pot to block known spammers automatically, and (2) content-based spam detection using Defendium’s mach...