Top 20 NuGet validate Packages

Utility for encrypting and validating encrypted data. Also includes methods to encrypt and decrypt using Rijndael and methods to generate SecureString objects.
Entity Validation is a open source project to validate your entities using the existing ones or creating your own!
Developer Utilities comes with Validator, Table Operation, Image Conversion, Configuration Manager & Common Functions. Newly Added Encryption & Decryption Utilities.
Use it to Ensure Controllers and Controller Actions has correct Attributes - Authorize and AllowAnonymous are the currently supported attributes Made to ensure Your code behaves as You intended. With easy to use unit test configurations.
Simple and flexible fluent validation framework for .NET for ASP.NET MVC applications
Value object classes and validation for different kinds of global identifiers.
Value objects of different kinds of identifiers in Finland.
Argument Assertions provides a fluent, simple and easy to use API for checking valid argument values with strong compile time type checks.
Module系统Application.Validate模块(公测版)
Warden watcher for SSL certificates
Provides argument validation methods and Code Contracts helpers.
It help us to validate any entity without instance any validator
A simple package that adds the ValidateModelAttribute for ASP.NET Core MVC usage.
Developer Base Utilities comes with Validator, Table Operation, Image Conversion, Encryption, Decryption & Common Functions.
.Net Dev Utils
Simple and flexible fluent validation framework for .NET
A collection of methods for validating inputs. Written by https://www.mortenempeno.com/
Library to simplify runtime checking by using code contracts.
Sinch Callback SDK. Validates the message integrity of callbacks from Sinch