Top 20 NuGet argument Packages

Catel.Core library.
Terse syntax C# command line parser for .NET. For FSharp support see CommandLineParser.FSharp. The Command Line Parser Library offers to CLR applications a clean and concise API for manipulating command line arguments and related tasks.
A declarative command line and XML configuration parser for F# applications.
Argument validation made simple and unified. It ensures arguments conforms to simple validation rules and provides an uniformed exception throwing strategy if arguments are invalid.
Terse syntax C# command line parser for .NET. For FSharp support see CommandLineParser.FSharp. The Command Line Parser Library offers to CLR applications a clean and concise API for manipulating command line arguments and related tasks.
Model your command line application interface in a class
docopt.net is the .net version of the docopt python beautiful command line parser. docopt.net helps you define an interface for your command-line app, and automatically generate a parser for it. docopt.net is based on conventions that have been used for decades in help messages and man pages for pr...
Simple CommandRunner to bootstrap console applications
Validates parameters.
Cauldron.Consoles is a Cauldron.Core based parameter parser which supports grouping of parameters in execution groups. It is also supports localization and has a nice parameter table :) Breaking changes in 3.1.x - See https://github.com/Capgemini/Cauldron for more information.
A simply arguments validation library with fluent API. Examples: Arg.NotNull(() => model); Arg.Validate(color, nameof(color)) .NotNullOrWhitespace() .LengthInRange(2, 20); // passangerCount is Nullable type Arg.IfNotNull(passan...
NClap is a .NET library for parsing command-line arguments and building interactive command shells. It's driven by a declarative attribute syntax, and easy to extend.
A high-performance, extensible argument validation library.
Command-line argument parser.
Just a quick way to create your own command line tool.
The Diagnostics library provides classes that help checking incoming parameters of a method using the Fluent API or not, depending on what you prefer.
CuttingEdge.Conditions is a library that helps developers to write fluent pre and postcondition validations in their C# 3.0 and VB.NET 9.0 code base. Writing these validations is easy and it improves the readability and maintainability of code.
A simple argument parser to convey a variety of argument values flexibly and uniformly between software components or as part of a command-line interface.
AtleX.CommandLineArguments is a helper library to facilitate parsing command line arguments into a strongly-typed object. Values can be validated with extensible and customisable validators and the library can automatically generate help for the user.
ConsoleCommon is a .net library that provides a set of helper tools intended for use with console applications. These tools focus on automating argument typing and validation, and creating help text.