CanvasOauth is a mountable engine for handling the oauth workflow with canvas and making api calls from your rails app.

Rails Engine. a mini forum provided by only a simple helper, written in Backbones.js.

QAuthRubyClient can be mounted into any Q-App to deal with all q-apps services like authentication

Rails plugin to use Intuit's Official QuickBooks Online Buttons in SVG format.

Rails engine that provides QuickBooks Online API error handling.

Qbrick is a Rails engine that offers a simple CMS.

Official Qiita:Team Services Integration

This gem is intended for developers that requires SMS integration to their ruby application.

Qiniu upload from

Ruby on Rails engine for running qunit javascript tests using server-side factories and user login

Easily to make your own layout

This is a gem to helper you quick add qqface function to your application. This is a wrapper for the jquery.qqFace.js plugin, and add two action view helper method for use easy.

Extends String with a 'translate' method. Returned value is the according translated text for a Wordpress Post translated by QTranslate plugin.

Quadro Content Management System

Quadro Content Management System Internationalization

QuantumFields is a gem to extend your Rails model's making them able to use virtual fields from a JSON column or a Text column serialized as a Hash. This means that you can use fields that were not explicitly declared in your schema as if they were.

Class Quarter for handling with the division of a calendar year into an arbitrary grouping of quarters, by default, the US fiscal calendar.

Asynchronous mail delivery using que

An overview of the number of queries is output to the log and browser console.

Make logs queryable, just like you would query any other activerecord table