Dinja, Dependency Injection Ninja allows you to decouple abstractions from implementations

Configuration-based factory for dependency injection

Simple dependency injection framework for ruby applications

Embrace convention over configuration while still benefitting from dependency injection design principles.

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

Enable Guice-like dependency injection and contextual object interactions.

Simple and stupid IOC container and dependency injection tool for ruby

Nurse, for your dependency injection. Dependency injection container

The fastest dependency injection framework

Dependency injection framework for ruby

A Rails wrapper for a fully customizable Dependency injection system

A simple dependency injection library for unit testing

A Sinatra wrapper for a fully customizable Dependency injection system

Dumpling is an unobtrusive Dependency Injection Container

A small library for simplifying dependency injection.

A custom generator for creating features as modules using the dry.rb gems. The module registers a dry system provider, adds routes, view and migrations paths to the application configuration and registers the models and services for dependency injection.

Simple dependency injection container

Dependency Injection for Rails

A small dependency injection library for Ruby

A library to help you build nice service objects with dependency injection.