Top 20 NuGet utilities Packages

Nancy Scaffolding with log, serializer, all structure to work good for me :D
Kode-Aid shared ASP.NET Core library.
Library of common functions of the .NET programmer, for version 4.5 of the Microsoft .NET Framework.
West Wind Web and AJAX Utilities provide a host of Web related utility functions and objects related to path management, script loading, script and page compression, UserState management, Cookie management and more. There's also a self-contained, light weight CallbackHandler that allows you to embed...
Indice.Common Class Library
Kode-Aid shared JSON library.
A foundational library for .Net frameworks including model binding and localization
Microsoft.VisualStudio.Utilities
CodeJam is a set of handy reusable .NET components that can simplify your daily work and save your time when you copy and paste your favorite helper methods and classes from one project to another.
Kode-Aid shared common library.
Kode-Aid Azure library.
Provides utilities and extension methods for work with Span<T> and Memory<T> based code.
Provides utilities and extension methods that are used often.
Kode-Aid base64 URL-safe encoding library.
Kode-Aid base32 encoding library.
Kode-Aid shared dependency injection library.
A library providing lots of useful utilities, models and services, including hit task, retry policy, PEM, JWT, stream combination, JSON HTTP web client, CSV parser, numerals, coordinates, angle, arithmetic, sets, etc.
Library of common functions of the .NET programmer, for version 4.0 of the Microsoft .NET Framework.
Library for interacting with the contents of Sansar Bag files
The useful utilities for console application including command dispatcher, arguments parser and some rich user interface console controls.