The fastest dependency injection framework

A dependency injection framework based in PicoContainer.

A lightweight dependency injection container.

If you needs a dependency injection container for Ruby, try use syringe.

Constructor-based dependency injection container using YAML input.

Injection is a simple dependency injection gem for rails3. It allows you to inject objects into your controllers and observers which have been described in a yaml file (config/objects.yml).

Unity is a Dependency Injection container for .NET

Dependency injection helper method

ObjectInjection is dependency injection container.

A lightweight dependency injection framework to help wire up objects in Ruby

A gem to handle dependency injection on ruby applications

Racket Registry is an easy-to-use container lib for most of your dependency injection container needs.

A dependency injection framework for Ruby, which allows you to register dependencies and access them anywhere in your program

Needle is a Dependency Injection/Inversion of Control container for Ruby. It supports both type-2 (setter) and type-3 (constructor) injection. It takes advantage of the dynamic nature of Ruby to provide a rich and flexible approach to injecting dependencies.

Plugin system for Rails built around a Dependency Injection Container

StructureMap is a Dependency Injection / Inversion of Control tool for .Net that can be used to improve the architectural qualities of an object oriented system by reducing the mechanical costs of good design techniques

Simple dependency injection framework for ruby applications

Simple dependency injection for Ruby classes

Copland is an "Inversion of Control" (IoC, also called "Dependency Injection") container for Ruby, based heavily on the HiveMind container for Java. It supports both type-2 (setter) and type-3 (constructor) injection.

S2Container is a Dependency Injection(DI) and Aspect Oriented Programming(AOP) implementation, written in Ruby