Metamagic is a simple Ruby on Rails plugin for creating meta tags.

Transparent multi-tenanting for web applications based on Rails and Devise

Want to automatically detect mobile devices that access your Rails application? Mobile Fu allows you to do just that. People can access your site from a Palm, Blackberry, iPhone, iPad, Nokia, etc. and it will automatically adjust the format of the request from :html to :mobile.

A pure Mongoid/Moped implementation of the MongoDB GridFS specification

TEMPORARY RAILS 5 SPECIFIC GEM. Migrations for the migrator.

Migrations for the migrator.

Write React UI components in pure Ruby.

REST in Place is an AJAX Inplace-Editor that talks to RESTful controllers.

It allows an application to have many different ways of rendering static assets and dynamic views.

It allows an application to have many different ways of rendering static assets and dynamic views.

It allows an application to have many different ways of rendering static assets and dynamic views.

It can be useful when you you are developing some app where you will work with meetings, events etc.

X-editable for Rails

Convenient Rails support for Cells.

Ensures consistent output of db/schema.rb despite local differences in the database

Port of the Rails plugin "geokit-rails" to Rails 3, as a gem

A live reloading system that updates just what's needed to offer a smooth experience.

Kuroko2 is a web-based job scheduler/workflow manager created at Cookpad Inc.

Translate your apps with pleasure (sort of...) and for free. It's simple i18n web interface, build on top of twitter bootstrap, that one may find helpful in translating app by non-technicals.

The minitest-spec-rails gem makes it easy to use the MiniTest::Spec DSL within your existing Rails 3 or 4 test suite.