The Ruby Toolbox - Know your options!

recaptcha

1.88
Helpers for the reCAPTCHA API
 Popularity
Downloads
4,518,947
Stars
1,365
Forks
292
Watchers
21

macarthy/simple-captcha-mirror

0.83
 Popularity
Stars
9
Forks
276
Watchers
3

subwindow/negative-captcha

0.68
A plugin to make the process of creating a negative captcha in Rails much less painful
 Popularity
Stars
735
Forks
79
Watchers
28

humanizer

0.17
reCAPTCHA was too much for us, so we created this. Simplest captcha ever.
 Popularity
Downloads
79,316
Stars
250
Forks
50
Watchers
24
 Releases
Total releases
17
First release
Latest release

rsanheim/brain_buster

0.08
BrainBuster - a logic captcha for Rails
 Popularity
Stars
60
Forks
16
Watchers
3

acts_as_textcaptcha

0.06
Simple question/answer based spam protection for your Rails models. You can define your own logic questions and/or fetch questions from the textcaptcha.com API. The questions involve human logic and are tough for spam bots to crack. For more reasons on why logic questions are a good idea visit; http://textcaptcha.com/why
 Popularity
Downloads
157,718
Stars
35
Forks
9
Watchers
3

galetahub-simple_captcha

0.03
SimpleCaptcha is available to be used with Rails 3 or above and also it provides the backward compatibility with previous versions of Rails.
 Popularity
Downloads
110,479
Stars
4
Forks
1
Watchers
2
 Releases
Total releases
5
First release
Latest release

gotcha

0.02
A smart captcha library
 Popularity
Downloads
32,726
 Releases
Total releases
6
First release
Latest release

captcha

0.02
A Google-style captcha for enterprise Rails apps
 Popularity
Downloads
8,853
Stars
22
Forks
6
Watchers
3

jike_captcha

0.0
Captcha form Jike API
 Popularity
Downloads
5,635
Stars
2
Forks
0
Watchers
1
 Releases
Total releases
1
First release
Latest release