This repo is the copy of http://code.google.com/p/kaptcha/ and published to maven central
<dependency>
<groupId>com.github.penggle</groupId>
<artifactId>kaptcha</artifactId>
<version>2.3.2</version>
</dependency>
Please see the website for more information about this project.
http://code.google.com/p/kaptcha/
thanks!