Anise is a dependency injection framework specifically written to make the developer's job as easy as possible. You don't have to develop your code specifically for the framework, and it provides all features you'd expect along with simple and flexible configuration language.

AppServices is a lightweight service container which can inject services into other objects, visual controls or components. It works with .NET Full, .NET Compact and Silverlight (included WP7). It manages automatically the service dependency. Its advantage is declarative configuration of services (attribute oriented). This makes referencing, injecting and using services very easy.

ASP.NET MVC 2 Case Study Starter Kit as featured in the Wrox ASP.net Design Patterns book

Unity Auto Registration extends Unity IoC container and provides fluent syntax to configure rules for automatic type registration. Using few code lines you can scan specified assemblies and register all types that satisfy your rules.

A project to provide injectable in memory mocks of the Azure Table and Blob Storage services. Run tests without emulator overhead.

Background Motion is a community site allowing the public to contribute or find content for use with Windows DreamScene.

Blueprints is a .NET serializer which allows polyphormism, circular references and linking to external resources, and enables editing of the serialized data.

Bus Booking system

An API to connect to Cloud Storage and enable persistence ignorance and testability in Your Cloud Applications.

Take the pain out of developing enterprise apps by leveraging established patterns and practices rich data service capabilities.

This area is used for providing information and discussions about the CodePlex website.

Common Service Locator library is now located here: https://github.com/unitycontainer/commonservicelocator

Compact Plugs is plug-in framework for .Net Compact Framework and .Net Full Version. Compact Injection is a small dependency injector for both .Net versions.

The Compact Unity is a lightweight dependency injection container with support for constructor and property call injection written in .NET Compact Framework 3.5. Also it contains implementation of Event Aggregator pattern.

This project provides a new reference implementation for the Composite WPF libraries.

Prism provides guidance to design and build rich, flexible, and easy-to-maintain Windows Presentation Foundation and Silverlight.

Copperfield is an extensibility framework built around contextual awareness. It is intended to be used in combination with one's DI / IoC framework of choice.

DbEntry.Net (Leafing Framework) is a lightweight, high performance ORM compnent for .Net. It provides MVC, IoC framework as well.

DContainer is a common dependency injection adapter for the popular IoC container.

This project is a framework which encourages developers to think/design/implement based on component based software development approach. The high level of flexibility in this framework, makes implementing really complex component networks easy and straightforward.