Top 20 NuGet validation Packages

Readable and snappy preconditions

Readable preconditions

Extensions to base framework classes and utilities.

The Smokestone.FailEarly package facilitates validation of arguments and conditions. Use the Smokestone.Utils.Ensure class to perform validations.

The magic-free Caliburn.Light, a powerful framework designed for building applications across current XAML platforms.

A simple WCF validation library that uses DataAnnotations to validate incomming Request models and pushes the errors into the out going Response Model.

Validation Summary Html Helper for MVC 5 using a bootstrap theme.

HTML Inspector is a highly-customizable, code quality library written in JavaScript to help you write better markup. It aims to find a balance between the uncompromisingly strict W3C validator and having absolutely no rules at all (the unfortunate reality for most of us).

Simple and flexible fluent validation framework for .NET

Automatically generates client-side validation based on Data Annotations

Utility package for common used functionalities, currently consiting only of VB.NET like event-raising and an elgegant way of validating arguments and raising appropriate Argument*Exceptions Send feedback, feature-request, unexpected breaking changes, etc. via the projects nuget-page, http://w...

Utility package for common used functionalities, currently consiting only of VB.NET like event-raising and an elgegant way of validating arguments and raising appropriate Argument*Exceptions If you want additional code-snippets, stick with Blue.Utils instead Send feedback, feature-reque...

Utility methods for unit testing model validation in ASP.NET MVC. Enables you to execute validation on a model object from a unit test. This way you can test if your validation annotations are working properly, for example. Also allows you to perform validation of a (view)model against ...

A collection of methods for validating inputs. Written by https://www.mortenempeno.com/

Library that helps to check method arguments by conditions. Fluent methods for validating method arguments by conditions for .NET 3.5-4.6.

Net wrapper library for the UPS API. The library can validate at the street level or get shipping rates for domestic shipping.

Pure Javascript framework - unobtrusive MVVM. Full-fledged framework including ajax, routing, validation, scripts/styles dynamic loading, module management. The outstanding points are unobstrusiveness, performance, lightweight, easy to learn, easy to extend controls.

nTransition is a simple fluent api to define and validate changes.

A C# library for composing your core business rules and freeing them from framework-specific validation.

An healthy alternative to the ASP.NET and Mono validation controls.