Net4x.AsyncBridge (nuget): C# 5 async/await support for .NET Framework pre-4.5       This package is now unified to include all functionality from AsyncBridge.Net35 and AsyncBridge.Portabletasj
Keywords: async|await|C#|language|support|.NET|Framework|3.5|4.0|portable|Silverlight|net35|net40|sl5