Top 20 NuGet async Packages

Injectable dependency for multithreaded RabbitMQ message sending. Best used with NanoMessageBus.Receiver package.
F# WebSocket Server
Data contract interfaces.
EntityFramework extensions. Handling async on queryables
Provides synchronization data structures for passing data between producers and consumers.
A contrib project for MVVM Light, adding support for coroutines and a screen conductor.
A simple ADO wrapper for Microsoft SQL Server and SQL Azure with async support.
A package that enables the use of the async/await pattern with Microsoft's Live Connect SDK on Windows Phone.
Asynchronous LINQ to Objects query processing
With Interaction Lib you can wire up most common ajax UI interactions with as few as 2 - 3 attributes right in your markup with no additional javascript. Also provides markup for wiring and configuring other jQuery/jQueryUI plugins. Provides support for unobtrusive configurations.
LINQ operators that work with async/await
ISMOT Async Helper is a wrapper library for Microsoft's Async Library (CTP). Using this library greatly facilitates asyncrounous calls in Silverlight and Windows Phone projects.
AsyncParse.Net is a library to enable access to Parse.com through the asynchronously-capable Microsoft .NET Framework 4 HTTP Client Libraries
ISMOT Async Helper is a wrapper library for Microsoft's Async Library (CTP). Using this library greatly facilitates asyncrounous calls in Silverlight projects.
Json-RPC RT implements bidirectional JSON-RPC 2.0 protocol.
A light-weight, async/non-blocking Memcached client for .NET
REST framework Restful.Net makes it easier to make a pure restful service, without being bogged down by huge frameworks that can, but is not quite built to make restful services.
A Cache library written to extend and make MemcachedSharp easier to use.
This package will reduce the server information that is disclosed to your visitors. It removes the following http headers: "Server" "X-AspNet-Version" "X-AspNetMvc-Version" "X-Powered-By" It is compatible with async operations in MVC and WebAPI as it does not rely on t...
ServiceProxy.Redis is a simple request/reply messaging framework built on Redis queues that support service contracts using ServiceProxy and the StackExchange.Redis library.