Captcha Version : 2.0

Captcha Features : The captcha.php library is very user-friendly and extremely easy to integrate into existing forms, because of its simple API. It nevertheless sports many configuration options, like multiple image modes and accessible alternative text riddles. It also has "AJAX" super cow powers and many sensible defaults to frustrate users less than other implementations. It prevents spambot access well, even with its relaxed defaults.

Captcha Home Page : http://freshmeat.net/p/captchaphp

Captcha Tryout :




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