Top 20 NuGet extensibility Packages

A simple plugin system with lazy loading of plugin assemblies. Currently limited to .NET framework because of the use of AppDomains for probing of plugin assemblies.
Microsoft PRISM 4.1 ported to Portable Class Library and Microsoft.Composition. Namespaces are not changed for convenience.
Portable component composition annotations, dependency injection framework agnostic. Automatically register your application components by convention with the most popular DI frameworks, while keeping your code container-agnostic.
Portable component composition annotations, dependency injection framework agnostic. Automatically register your application components by convention with the most popular DI frameworks, while keeping your code container-agnostic.
Provides useful extension methods for primitive .Net data types.
An implementation of the Tcl scripting language. This package is built with options that make it more suitable for use with Mono. Features specific to Windows and/or the .NET Framework will be unavailable.
Integrates CommonProvider to Castle Windsor Ioc for resolving dependencies.
The Del Sole's VSIX library helps generating code snippets for Visual Studio 2015 and Visual Studio Code, plus it allows creating VSIX packages to share reusable IntelliSense code snippet files for Visual Studio 2015 and Visual Studio Code. We provide integrated Roslyn code analysis for live issue d...
Provides custom types, helpers and extension methods for Visual Studio extensibility.
A simple library for loading plugins.
Base classes, objects and extension methods for Luminous Software Framework
Base classes, objects and extension methods for YD Framework
Adds a VS MEF system with a pre-computed, cached MEF graph.
A project template for building Library Installer extensions
Helper classes with Visual Studio extension development
CodeJamExtensibility helps you create extensible applications.
A NuGet package which can be used to easily create item and project templates for Visual Studio using the dotnet Template Engine (https://github.com/dotnet/templating).
This package provides additional types and extension methods specifically for using ModulEngine with ASP.NET Core, including simplified configuration and improved logging
An implementation of the Tcl scripting language. This package contains the MSBuild tasks and PowerShell cmdlets that enable integration [with Eagle] as well as the command-line shell [for Eagle].
An implementation of the Tcl scripting language. This package contains the MSBuild tasks and PowerShell cmdlets that enable integration [with Eagle] as well as the command-line shell [for Eagle].