Top 20 NuGet throw Packages

LinksPlatform's Platform.Exceptions Class Library
Provides performant guard functionality for methods to throw exceptions
Pitcher is helper library to simplify throwing exceptions and make methods easier to inline by reducing code size.
Package Description
Exception helpers, including ReThrow (with the stack trace preserved), AggregateException unwrapping, and dumping to xml.
Useful functionality for .NET applications.
Provides a set of Exception oriented extension methods methods extending from Xunit.
Simple Guard Clause Helper
Little helper on exception throwing.
Lightweight Framework with common platform-independent toolset.
Pitcher.Sources is helper library to simplify throwing exceptions and make methods easier to inline by reducing code size. It's a source package for Pitcher, directly adding the code to your library or application without introducing another dependency.
Shortcut to throw exceptions to make defensive programming fun and more effective. Non intrusive.
A library to check your arguments in a simple comfort way. This library do not use Expression or nameof. It is based on Func<T>. So no performance issue during positive argument check.