Top 20 NuGet continuations Packages

Request correlation and other AJAX helpers for FubuMVC
Provides a single-threaded synchronization context, which makes it easy to reason about asynchronous code in environments that don't usually provide a synchronization context (for example, console applications).
Job pipeline execution based on Hangfire.io, sequences multiple parallel or blocking jobs with continuations
SQL Server storage implementation for Hangire.Pipeline
Castle Windsor IoC implementation for Hangire.Pipeline
Unitysync.Async is a library of extension methods that lets you preform async continuations on Task/Task<T> Types. Allowing you to non-blockingly call async methods on the Unity3D main thread and continue on the Unity3D main thread when the Task/Task<T> is completed.