Ninject is a lightweight dependency injection framework for .NET applications. It helps you split your application into a collection of loosely-coupled, highly-cohesive pieces, and then glue them back together in a flexible manner. By using Ninject to support your softwares architecture, your code will become easier to write, reuse, test, and modify.

A Sinatra wrapper for a fully customizable Dependency injection system

A Rails wrapper for a fully customizable Dependency injection system

Koine DI, for your dependency injection. Dependency injection container

Nurse, for your dependency injection. Dependency injection container

add dependency injection to dry-container

A fully customizable Dependency injection system for Ruby

DIMr is a small extension to Jim Weirich's minimalistic dependency injection framework DIM. It allows easy dependency injection into ruby command classes.

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).

Dependor is not a framework for Dependency Injection, but something thatt reduces duplication a little bit when doing manual dependency injection in settings like Rails apps.

Oktest.rb is a new-style testing library for Ruby. You can write `ok {1+1} == 2` instead of `assert_equal 2, 1+1` or `expect(1+1).to eq 2`. In addition, Oktest.rb supports **Fixture injection** feature inspired by dependency injection and **JSON Matcher** feature similar to JSON schema. See https://github.com/kwatch/oktest/tree/ruby/ruby for details.

ObjectInjection is dependency injection container.

Dependency injection container compatible with the SOAR Ruby framework

Simple dependency injection for ruby objects

SmartInject is a minimalist, flexible and efficient dependency injection for Ruby based on constructor injection, one of the most used method for DI. SmartInject is intented to be under your control. No magic here.

Inoculate is a small, thread-safe dependency injection library configured entirely with Ruby. It provides several life-cycles and provides dependency access through private accessors.

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

Provides a super simple API for dependency injection

Encase is a library for using dependency injection within ruby applications. It provides a lightweight IOC Container that manages dependencies between your classes. It was written to assist with wiring of domain objects outside Rails applications to enable faster test suites.

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.