Top 20 NuGet ambient Packages

Ambient context implementation for Dapper.NET
Provides an easy way to implement the singleton (anti?) pattern so that it is ambient-safe, propagates with a call context and can be overriden per ambient (i.e. in tests).
xUnit tests for netfx-System.AmbientSingleton
Ambient context core project.
Very simple implementation of an ambient (disposable) resource