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.

Rich text editor for Active Admin using wysihtml5.

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

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.

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

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

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

ViewComponents for Polaris Design System

Mass populate an Active Record database.

Redmine Extensions provide many extended functionalities for Redmine project.

Sail is a lightweight Rails engine that brings an admin panel for managing configuration settings on a live Rails app.

Manage money in Shopify with a class that wont lose pennies during division!

You'll be in stitches at how easy it is to create a service at Stitch Fix

A rich text editor for everyday writing

X-editable for Rails

Execute irreversible actions only when transactions are not rolled back

Define your permission rules as role- or role group specific permits. Integrates well with multiple Devise user acounts. Includes rules caching. Store permissions in yaml file or key-value store