Top 20 NuGet yield Packages

Yield - The simplest ASP.NET Static Site Generator (a.k.a. flattener). You just need to make a few minor tweaks to your site configuration, and you're set to generate static HTML.
Add fields definitions
Coroutine based cache with areas support, a simple and efficient coroutine implementation. The documentation can be found on
Demonstrates usage of the Xunit.Theoretical Test Cases base class.
Provides a foundation upon which Xunit Theory Class Data may be generated more succinctly.
A series of utilities for multithreading. The documentation can be found on Several items are available: LockFree Queue, LockFree Dictionary. A wrapper on the default C# timers to wrap their differences.
VB.NET source file that contains an extension method that yields each line of a given text. The following line separators are recognized: CRLF (0D0A), LFCR (0A0D), LF (0A), CR (0D), VT (0B), FF (0C), LS (2028) and PS (2029). Supported versions: .NET Framework 3.5 .NET Framework 4.0 .NET Framework 4...
Enumerate items from an arbitrary callback method
Influenced by coroutines in Unity3D. Giving the ability to sequentially declare animations and other time dependent tasks.