Top 20 NuGet composition Packages

Aggregatable (parent-child), Visitor and Disposable patterns. An official PostSharp pattern library.
Lightning fast MEF engine, supporting System.ComponentModel.Composition and System.Composition.
Provides the composition services implementation using the System.Composition framework. Check the documentation and the samples from https://github.com/kephas-software/kephas/wiki and https://github.com/kephas-software/kephas/tree/master/Samples. Kephas Framework ("stone" in...
A wrapper UWP PCL to work with Windows.UI.Composition and XAML animations, and Win2D effects
Puresharp is a Framework that provides the essential APIs to productively build high quality (.NET 4.5.2+ & .NET Core 2.1+) applications through reliability, scalability and performance without no compromise.
IPuresharp urbanize libraries with strategic private code to lay transparent foundations for Puresharp API .NET
The MEF attributes and runtime classes in the .NET Managed Extensibility Framework (MEF) that are used for imports and exports, and exception types, in a .NET Standard compliant NuGet package form, as found in the System.ComponentModel.Composition namespace.
DryIoc.MefAttributedModel is DryIoc extension to support Microsoft Managed Extensibility Framework for DryIoc container
DryIoc.MefAttributedModel is DryIoc extension to support Microsoft Managed Extensibility Framework for DryIoc container
Provides the Common Composition bindings for Unity.
CompositionSurfaceFactory (formerly known as CompositionImageLoader) is a surface factory intended for use with the Windows.UI.Composition API based on Win2D and written in C++/CX. Don't worry, image loading still comes out of the box!
DynamicProxy integration for Autofac.Extras.IocManager
Provides abstractions to Autofac's registration and resolvings.
Zyan is a framework that simplifies development of distributed applications for desktop and mobile platforms. With Zyan you can publish any .NET class for remote access over the network. Zyan is highly customizable and provides you with tools to build modular and plugable distributed applications.
This library provides helpers and extensions on top of Windows Composition and XAML storyboards. It is part of the Windows Community Toolkit.
Superset of MEF attributes. In addition to Export/Import contains attributes to support modern IOC (DryIoc) features.
Provides a new way of writing safe code that won't throw exceptions like a madman when something goes wrong.
Adds a VS MEF system with a pre-computed, cached MEF graph.
Super-set of MEF attributes. In addition to Export/Import contains attributes to support modern IOC (DryIoc) features.
DotNet.Safe plugin to allow logging on function compositions.