Top 20 NuGet IoC Packages

Dynamo Ioc Extensions provide features like Lambda Registrations and Scoped resolving. It also adds LazyResolve and GetFactory extensions for resolving.
LightCore is a lightweight dependency injection container which can be used as a service locator, too. This package integrates implementations to use in ASP.NET Web API RC
Unity integration for ControllerRT
Allows you to for instance log all method calls or log all exceptions without having to change any of your classes.
ASP.NET MVC4/WebApi integration package for Griffin.Container. Add "GriffinContainerConfig.Configure();" to global.asax after the installation.
Support for Griffin.Container
Unity extension to add IoC support to Workflow Foundation
The WebApiContrib.IoC.CastleWindsor library provides dependency injection helpers for ASP.NET Web API.
Provides an Autofac enabled bootstrapper for Caliburn.Micro.
An easy to use, hassle free, Inversion of Control Container for small projects, libraries and beginners alike
A lightweight AOP framework built on top of Castle DynamicProxy.
The Drill.DrillBits.Autofac package contains the Drill.DrillBits.Autofac assembly which is used to integrate Autofac into Drill as a DrillBit component.
The Drill.DrillBits.StructureMap package contains the Drill.DrillBits.StructureMap assembly which is used to integrate StructureMap into Drill as a DrillBit component.
The Drill.DrillBits.Unity package contains the Drill.DrillBits.Unity assembly which is used to integrate Microsoft's Unity DI container into Drill as a DrillBit component.
The Drill.Integration.CommonServiceLocator package contains the Drill.Integration.CommonServiceLocator assembly which is used to adapt Drill to Microsoft.Practices.ServiceLocation.IServiceLocator interface.
The Drill.Integration.Web package contains the Drill.Integration.Web assembly which is used to integrate Drill into ASP.NET applications and provide resolution of System.Web.HttpContextBase.
The Drill.Integration.Web.Mvc package contains the Drill.Integration.Web.Mvc assembly which is used to integrate Drill into ASP.NET MVC applications.
This package works with the Ninject.Extensions.Logging package to automatically inject loggers without having to scatter your code with [Inject] attributes on every logger property.
The pack with additional helpers and wrappers for ASP.NET MVC applications, based on dependency injection, thus fully testable.
ServiceStack.ContainerAdapter.Unity is a library that enables the Microsoft Unity framework to be used as the ServiceStack Inversion Of Control (IoC) provider.