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reCAPTCHA

1
reCAPTCHA is a free service that helps to digitize books, newspapers and old time radio shows while preventing automatic form filling by robots.
Captcha online services comparison
Name
reCAPTCHA
Screenshot
Distinctive featuresThe service helps to digitize books or audio shows
Multi-languageJa English, German, French, Dutch... (8 languages + custom)
Visual customizationJa 4 themes + custom
Audio captchaJa
Code samplePHP, ASP, Java/JSP, Perl...
Wordpress pluginJa
Compatible SSLJa
Notable web site using it
Preisgestaltung
Free planJa
Preisgestaltung
Additional
Webseiterecaptcha.net
Twitter
Webmaster
English
Public
Public
2012-08-07 23:09:28
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