Top 20 NuGet console Packages

Package Manager Console scripts for DbUp. New-Migration [Name] and Start-Migrations commands help to make creating and running DbUp migrations easy.
Convention based argument handling for console applications.
C# ArgsManager is easy library to implement options/switches support in your console app
An implementation of the Tcl scripting language. This package contains the MSBuild tasks and PowerShell cmdlets that enable integration [with Eagle] as well as the command-line shell [for Eagle].
An implementation of the Tcl scripting language.
Reporter console app
Toolbox for advanced console applications. The toolbox contains a console menu, a command line argument engine and some other useful console helpers.
Better tables for your console application
An FNA library that emulates old-school console and command prompt style graphics. Use the SadConsole.Starter package for new projects.
Console based exception processor
Command line application utility package. Provides API for parsing and binding command line arguments to .NET methods.
Console log output for Tethys.Logging.
Contains extenders for basic types like String and DateTime as well as a simple Rijndael-Encrypter along with an Google-Authenticator implementation. And some more ;-)
Helper routines for console mode programs
Net Core Console Field Injection Implement
The Universal Device Detection library for .NET that parses User Agents and detects devices (desktop, tablet, mobile, tv, cars, console, etc.), clients (browsers, feed readers, media players, PIMs, ...), operating systems, brands and models. This is a port of the popular PHP device-detector library ...
A Console UI library for quickly building view-like Console Apps.
Addition to the logging package which allows logging to the Console.
Distributed loadtesting framework for .NET and Unity.
Package containing assemblies to work with IoT Edge routes with typed structures.