Top 20 NuGet Packages

Useful set of collections, and extensions for collections with thread-safe read-write access options. Part of the "Open" set of libraries.
Provides a set of useful classes when implementing a disposable or dealing with disposables. Part of the "Open" set of libraries.
DI/IoC agnostic interfaces for injecting any serialization library. Part of the "Open" set of libraries.
DI/IoC agnostic interfaces for injecting any JSON serialization library. Part of the "Open" set of libraries.
Useful set of extensions and classes for simplifying and optimizing thread safe operations and synchronization. Part of the "Open" set of libraries.
Useful set of extensions and classes for simplifying and optimizing read-write synchronization. Part of the "Open" set of libraries.
OpenGl and OpenGLES bindings for dotnet from the Khronos OpenGL C library.
OpenAL bindings for dotnet from the Khronos openAL c library.
Common functionality for OpenTK.Windowing.* packages.
GLFW bindings for C# from the C GLFW library.
An Mvvm lib for UWP apps.
Async extensions for Nils Lück's Optional library.
Adds additional OAuth providers for OWIN to use with ASP.NET
Adds additional OAuth providers for OWIN to use with ASP.NET
Adds additional OAuth providers for OWIN to use with ASP.NET
Adds additional OAuth providers for OWIN to use with ASP.NET
Adds additional OAuth providers for OWIN to use with ASP.NET
Adds additional OAuth providers for OWIN to use with ASP.NET
WebSocket handler for OWIN
Owin Middleware it is possible to RequestScopeContext like HttpContext.Current but no dependent System.Web.