Top 20 NuGet utilities Packages

Indice.Common Class Library
Help methods, data annotations, extensions, enumerations and options classes.
.NET Core port of sjdirect/nrobots. A robots.txt parser written in c#. This is an unofficial fork of NRobots.txt on codeplex with extended functionality. For full documentation see https://nrobots.codeplex.com/.
Many utilities like: enumeration, hash, json (extension newtonsoft), regex, signature, string, uri, dictionary, etc
Assortment of various common types and utilities for Emzi0767's projects.
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.
Package Description
Help methods, data annotations, extensions, enumerations and options classes.
Help methods, data annotations, extensions, enumerations and options classes.
Help methods, data annotations, extensions, enumerations and options classes.
A set of useful libraries for many kinds of .NET developers, starting with Loyc.Essentials, a library that "fills in the gaps" in the core of the .NET Base Class Library. LoycCore is especially focused on collections: classes, interfaces, adapters, and extension methods. Plus, Loyc.Syntax.dll parses...
A reusable Google Calendar synchronisation implementation for .NET applications
The Cuemon.Core assembly is the patriarch of the Cuemon .NET Standard family and provides fundamental-, utility- and base-classes that define commonly-used value and reference data types, events and event handlers, interfaces, attribute, and feature rich delegates to greatly support functional progr...
Cryptography utilities
Help methods, data annotations, extensions, enumerations and options classes.
Help methods, data annotations, extensions, enumerations and options classes.
Help methods, data annotations, extensions, enumerations and options classes.
Shared types (models and utilities) for SqlServer
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...
Loyc.Utilities contains useful non-core functionality that is either (A) not important enough to be placed in Loyc.Essentials or (B) takes Loyc.Collections, Loyc.Math or Loyc.Syntax as a dependency.