LtiProvider is a mountable engine for handling the LTI launch and exposing LTI parameters in your rails app.

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

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.

Small course event moduel for qinatra site - added as middleware

export tool for Qiita

ruby-qml provides bindings between QML and Ruby and enables you to use Qt Quick-based GUI from Ruby.

This is a very simple framework to create small frontends in a webserver

Qor Cache

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.

https://github.com/austinthecoder/qry

A Rails add-on for handling query filters

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.

Parallel query for ActiveRecord

A Rails engine that provides a web-based SQL query console with read-only enforcement, authorization hooks, and audit logging.