Replacement CodeDOM providers that use the new .NET Compiler Platform ("Roslyn") compiler as a service APIs. This provides support for new language features in systems using CodeDOM (e.g. ASP.NET runtime compilation) as well as improving the compilation performance of these systems....
AntiXSS is an encoding library which uses a safe list approach to encoding. It provides Html, XML, Url, Form, LDAP, CSS, JScript and VBScript encoding methods to allow you to avoid Cross Site Scripting attacks. This library is part of the Microsoft SDL tools.
Validation attributes that can be used in any .NET 4.0 project to supplement the existing Data Annotations attributes.
If you are using MVC3 and also want client validation, use the DataAnnotationsExtensions.MVC3 package.
Painless integration of ELMAH functionality into ASP.NET MVC Application. Just drop the package inside your ASP.NET MVC application and access /elmah URL. It will also install global HandleError filter, that guarantees all unhandled errors are logged (even if customError turned "On").