Top 20 NuGet shell Packages

Output module for Gemini, providing a buffered output tool pane.
Xna module for Gemini, providing two methods of integrating XNA content in WPF.
ErrorList module for Gemini, providing a tool window to display messages, warnings and errors.
GraphEditor module for Gemini, providing UI controls to edit a graph of connected nodes.
Makes developing custom shells easier.
Command line arguments parser. See
A small Command Line Interpreter
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.
This library is used to easily develop .NET/Mono shell applications, providing command line parsing, execution context, and other functionalities to design interactive console applications.
A JavaScript based command line interface for web pages.
Wide framework allows you to build your application by creating PRISM modules which participate in building the IDE. This way you can modularize the code for each part of your application. For more details:
Cake add-in to use Apprenda tools.
jish - JavaScript Interactive Shell Build ontop of, Jish aims to provide some shell utilities to run and interpret JavaScript commands and files. Jish also provides a way of loading .Net framework libraries into your scripts.
Wrappers and extensions to the .NET collections and LINQ.
The ReflectedTile class extends ShellToast with the "Sound" property for WP8 GDR3 that allow you to set custom notify audio clip.
Windows® API Code Pack for Microsoft® .NET Framework provides a source code library that can be used to access some features of Windows 7 and Windows Vista from managed code. These Windows features are not available to developers today in the .NET Framework. The individual features supported in thi...
DirectoryInfoEx has a similar interface as DirectoryInfo, but it use IShellFolder, and it support special folders like desktop, mycomputer.
A C# library for building command-base console applications. Inspired by python's argparse.
Quake style console for Paradox Game Engine
Yaaf.Shell some helpers for F# shell scripting.