ManageIQ Open Source Management Platform http://manageiq.org
Chat for Ruby developers of Ukraine
Modern Web Application Framework for Node.js.
Rails I18n de-facto standard library for ActiveRecord model/data translation.
Conductor is a Rails engine that lets you do through a web UI what you'd normally do with the rails shell command.
The administration framework for Ruby on Rails applications.
Continuation of CanCan, the authorization Gem for Ruby on Rails.
RSpec cheatsheet & Rails app: Learn how to expertly test Rails apps from a model codebase
"Scala on Rails" - A full-stack web app framework upon Scalatra for rapid development in Scala
Amethyst is a Rails inspired web-framework for Crystal language
Typo is the oldest and most powerful Ruby on Rails blogware, providing custom templates, powerful drag and drop plugins API, advanced SEO capabilities, XMLRPC API and many more.
Authority helps you authorize actions in your Rails app. It's ORM-neutral and has very little fancy syntax; just group your models under one or more Authorizer classes and write plain Ruby methods on them.
A ruby on rails engine which provides a basic web application to use with other ruby on rails applications.
Starter project for Ruby on Rails – Works with any prismic.io repository
Make highcharts a la ruby , works in rails 3.X, 4 and other ruby web frameworks
Anything regarding localization and translation of apps