Castle Windsor is best of breed, mature Inversion of Control container available for .NET and Silverlight.

Castle Windsor integration package for logging facility via log4net.

Castle Windsor logging facility lets you easily inject loggers into your components. It offers integration with most popular 3rd party logging frameworks like NLog and log4net (available as separate packages: Castle.Windsor-nlog and Castle.Windsor-log4net).

Castle Windsor WCF Integration facility enables integration with Windows Communication Foundation. It makes services and WCF proxies available as services in your application, lets you use non-default constructor and inject dependencies into your services, adds ability to easily set up your services with extensions, call services asynchronously wit... More information

All credit goes to the NH team and others (i.e. LinFu) for the code base. This is just a modification of their code to enable constructor DI and emit verifiable code.

Dependency Injection wrapper using Ninject

Provides ability for the components to be created by factory objects. You can use it to register things like HttpContext in the container. This facility is mostly targeted towards legacy applications.

Castle Windsor integration package for logging facility via NLog.

Provides an Autofac container adapter for Rebus

Provides a Unity container adapter for Rebus

Provides a Castle Windsor container adapter for Rebus

Provides a Ninject container adapter for Rebus

Ninject based factory for Jessica, a micro web framework.

StructureMap based factory for Jessica, a micro web framework.

Castle Windsor event wiring facility provides ability to wire up classes exposing events to classes consuming them.

Integrates with synchronization elements of .NET framework (like ISynchronizeInvoke interface, SynchronizationContext), ensures components that inherit Control get created on UI thread etc.

Provides ability to expose or consume components from another AppDomain using .NET Remoting.

Whatever the framework, component composition works the same way: you have interfaces and concrete implementations and you need to map one against the other. The Endjin Composition Framework helps you work smarter, not harder by making component composition simple. This framework supports .NET 4.0, .NET 4.5, WinRT and WP8.

MvcBlanket integration to Castle Windsor

A dependency resolver for Ninject and WebApi - based on work by Brad Wilson