JCaptcha4Struts2 is a Struts 2 Plugin which allows to add Captcha support to your Struts 2 Applications with a single JSP tag, and slight configuration in your struts.xml. It uses the powerful JCaptcha engine internally to generate the captcha.
Homepage POM file JAR file Javadoc'com.google.code.jcaptcha4struts2:jcaptcha4struts2:2.0.1'