Easily add CAPTCHA image functionality to your ASP.NET application to prevent automated page posting.
Features: The AspXtreme Captcha .NET provides a class library that helps you add CAPTCHA capability to your applications. The class library can create and validate image as well as sound CAPTCHAs (Completely Automated Public Turing test to tell Computers and Humans Apart). The capability can be added by just drag & drop from the Visual Studio Toolbox. You do not need to touch the .config file. The control also gives you another way to set the CAPTCHA flexibly with a template based approach.It is capable of using several CAPTCHA images with different sizes. It is able to generate accurate CAPTCHA images.The utility also supports spoken CAPTCHAs.The application is supported on Windows and tested with IIS 6 and IIS 7. Supported on Windows Vista too.
You can easily customize CAPTCHA control`s layout with built-in template engine. It supports capturing CAPTCHA image before and after it is drawn with 'BeforeDrawingCaptchaImage' and 'AfterDrawingCaptchaImage' events. There are built in text styles, there are 50 CAPTCHA text styles that can be used. You can work from Visual Studio 2005, Visual Studio 2008, Delphi 8, C# Builder and other compliant development environments. Drag/Drop integration within Visual Studio is supported. the utility can run with either .NET frameworks 2.x and 3.x. AspXtremeCaptcha can be used from ASP.NET Web Forms, fully supports Microsoft Atlas AJAX..Completely managed code in C# and is CLS or common language specifications compliant.
Overall: An application that can be easily integrated for a vital function.