Dotnetcaptcha is a .NET web components that generates captchas that help prevent automated web form completion. A full sample and user instructions are distributed with the component. 3 types of captcha image can be generated. All captcha validation routines are provided within the component. .NET captcha components.
What's new in version 1.1.0
ReleaseNovember 7, 2008
Date AddedSeptember 13, 2005
Operating SystemsWindows, Windows NT, Windows 2000, Windows XP
Additional RequirementsWindows NT/2000/XP/2003 Server