Top 20 NuGet async-await Packages

A helper library for the Task-Based Asynchronous Pattern (TAP).
Gear for making components.
Utilities for working with tasks and awaitables in .NET.
Gear for caching stuff.
An asynchronous variant of TcpClient and TcpListener for .NET Standard.
A helper library for the Task-Based Asynchronous Pattern (TAP).
A helper library for using TFS ICancelableAsync with the Task-Based Asynchronous Pattern (TAP) and Visual Studio Async CTP / Visual Studio 11.
Easy-to-use exception causality chains for async/await.
A helper library for unit testing code using the Task-based Asynchronous Pattern (TAP).
Experimental Actors framework
"[TestMethod] async void MyTest()" actually works correctly.