Top 20 NuGet validator Packages

A library for validating credit card numbers and generating ones. CreditCardValidator helps you implementing validations for the most common credit card brands, verifying length, prefixes and checking the card number through the Luhn algorithm if necessary.
A jQuery Validate Unobtrusive extension for Bootstrap 3
Fluent validation framework for .net
This component allows the Enterprise Library Validation Application Block to integrate with WCF.
An Implementation of ASP.NET Core Identity IPasswordValidator that verifies the provided password has not been pwned, as defined by Troy Hunt's HaveIBeenPwned service: https://haveibeenpwned.com/Passwords
Implementations of ASP.NET Core Identity IPasswordValidators that verify the provided password is not one of the most common passwords. Inspired by Discource and https://blog.codinghorror.com/password-rules-are-bullshit/
The Enterprise Library Validation Application Block provides useful features that allow developers to implement structured and easy-to-maintain validation scenarios in their applications.
Validator.NET asp net core extension
Elegance Validator Service
The library created for the use validation pure POCO objects and the library creates dynamic validation via FluentAPI in the runtime.
A SDK to validate against the Validator API of the Ketenstandaard Including Async methods
A simply arguments validation library with fluent API. Examples: Arg.NotNull(() => model); Arg.Validate(() => color) .NotNullOrWhitespace() .LengthLessOrEqualThan(20); Arg.Positive(releaseYear, nameof(releaseYear));
Library for validating that .NET types are immutable.
WebDucer library for value validation on UI intefaces
Includes a string extension method to validate a multi-line string to a multi-line string template. Includes functionality for providing an easy to ready print out of where the multi-line string does not match the template.
NHibernate Validator is a powerful and extensible framework to validate objects using the .Net Platform. Born as a port of Hibernate Validator 3.0.0 project at december of 2007. Later on, many improvements and changes were made to the Core and API, and now we can say that NHibernate Validator is mor...
The Validation Application Block provides useful features that allow developers to implement structured and easy-to-maintain validation scenarios in their applications. This is a non-configurable .NET Standard-based Validation Application Block.
This XrmToolBox plugin will scan your environment and Validates your Javascript Webresources if they are compatible with Dynamics CRM 365 V9.
Library for validating that .NET types are serializable and deserialize with System.Runtime.Serialization.
This component allows the Validation Application Block to integrate with WinForms.