Qbrick is a Rails engine that offers a simple CMS.

Small course event moduel for qinatra site - added as middleware

QRForge is a Ruby gem for rendering QR codes with different designs and formats.

Quby is a Rails engine that can render and update answers for questionnaires defined in a custom DSL.

This library helps to find where in your rails app sql query was run.

Simple sinatra rack middleware for quickapps feedback

Includes commonly used gem's for testing in Rails

Cucumber with some additional support: Capybara,Browsertack, Allure reports, Rspec and SitePrism

Flexible bioinformatics search tool.

Add env ribbon on your rack application views.

Simple Rack wrapper around HoptoadNotifier.notify

Would be useful to enable OpenID authorisation with your Ruby/Rails-based blog, personal website or whatever.

Rack::NonCache is a rack middleware that disables HTTP browser caching.

A rack middleware for exposing session state to tests.

Spellcheck your text entry with TinyMCE and Rack SpellChecker

Disable cookies for RackTest

rack-weinre inserts a script tag that loads a weinre target js into html files.

Helpdesk on Rails.

A drop in admin panel for existing rails applications

Rafters lets you think about each page of your application as a collection of small pieces instead of monolithic, difficult to maintain views.