Top 20 NuGet IoC Packages

Security static code analyzer for .NET
Castle Windsor Mvc facility lets you easily add windsor to aspnet mvc web apps.
Reactive data objects for extending the dotnet reactive library, unirx provides this out of the box
Interception feature for expressions based Inversion of Control container for .NET.
Provides a MSTest base class for tests based on Microsoft.Extensions.DependencyInjection. Use common Startup.cs patterns like ConfigureServices(...) and Configure(...) to setup your tests. Includes TestContext properties in configuration and enables TestContext logging.
A lightweight AOP framework built on .NET Dependency Injection and Roslyn based code generation.
Concrete Implementation of Aleph1.DI using Unity
Unity3D assemblies from Editor/Data/Managed.
Exposes some AOP (Aspect Oriented Programming) extensions which help registering and resolving proxies instead of concrete implementations through Microsoft built-in container with the main purpose of providing lazy loading/instantiation of resources.
Exposes dependency injection factories.
An easy Ninject extension for registering nodes in Banzai
ASP.NET Core extension for Stashbox to support multitenant applications.
EuNet.CodeGenerator.Templates
Provides an attribute and decryption service for encrypted configuration options that are injected into AWS Lambdas.
Sets Lambdajection projects up to support custom runtimes.
SpecFlow plugin that enables to use Windsor for resolving test dependencies.
SimpleSettings allow applications to use configurations values from any data store in the type of interfaces, thus decouples the frameworks from your appliaction and allowing application to inject interfaces and nothing else. This framework should be used instead of .Net Core IOptions<T>.
A light weight MVVM implementation with IOC Containes, Delegate Commands, ChangeNotifier Model, NotifiableCollection and many more.
Includes interfaces and runtime support classes for writing Lambdajection-backed Custom Resources using Dependency Injection.