Please provide some good captcha link to use in asp.net mvc [duplicate]

This question already has answers here: Closed 12 years ago. 开发者_Python百科

Possible Duplicate:

What is a CAPTCHA that is compatible with ASP.NET MVC ?

Please provide some good captcha link to use in asp.net mvc

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Some useful links for using captcha in asp.net mvc

1. http://devlicio.us/blogs/derik_whittaker/archive/2008/12/02/using-recaptcha-with-asp-net-mvc.aspx
2. http://xcaptcha.codeplex.com/