Captchas.net

Captchas.net servers provides CAPTCHA images and audio files you can use in html-forms to prevent robots from filling it.

See the reference side-by-side comparison Captcha online services comparison

	Captchas.net
Screenshot
Distinctive features
Multi-language	Yes Audio pronunciation: English, German, Italian, French, Dutch
Visual customization	Yes Size, color custom design for audio or to refresh the captcha
Audio captcha	Yes
Code sample	PHP, ASP, Perl, Python, JSP, Ruby
Wordpress plugin
Compatible SSL	Yes
Notable web site using it
Pricing
Free plan	Yes
Pricing	120 euros per year to remove captchas.net logo
Additional
Website	http://captchas.net/
Twitter
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