Captcha Libraries

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Java web graphics verification code, support gif verification code.
Last Release on Aug 26, 2019
<b>JCAPTCHA</b>, for <b>J</b>ava <b>C</b>ompletely <b>A</b>utomated <b>P</b>ublic <b>T</b>est to tell <b>C</b>omputers and <b>H</b>umans <b>A</b>part <br/>The open source java framework for captcha definition and integration <br/> A captcha is a simple captcha container that contains a question, a challenge, and a response validation routine.<BR/> A captcha can only be built by a captcha factory that provides methods to build localized captchas.<br/> This jar aims to provide interfaces and ...
Last Release on Feb 3, 2009
JCaptcha All
Last Release on May 29, 2007
ReCaptcha is a Java library for interfacing with ReCaptcha.nets Captcha service
Last Release on Feb 19, 2010
API
Last Release on Feb 3, 2009
This is the Bundle which use for Captcha in Multitenancy
Last Release on Jan 12, 2011
GateIn SimpleCaptcha
Last Release on Mar 31, 2010
Cage is a CAPTCHA image generator java library. It is fast, small and simple. Its goal is to generate images that are easy to read for a human but impossible or at least very hard for a computer.
Last Release on Feb 15, 2011
Simple yet powerful CAPTCHA library written in Java
Last Release on Sep 18, 2014
ReCaptcha is a Java library for interfacing with ReCaptcha.nets Captcha service
Last Release on Feb 1, 2013