This gem allows you to extend rails models without migrations: This way you can, i.e., develop your own content types, like in Drupal.

Detailed version tracking of an item and its associations in Ruby on Rails. Based on Papertrail but with better association handling.

This Ruby gem, GoogleVisualr, is a wrapper around the Google Chart Tools that allows anyone to create the same beautiful charts with just Ruby; you don't have to write any JavaScript at all.

Simple Rails generator to create a class in the lib directory with a matching spec.

Restores response predicates removed from ActionDispatch::TestResponse in Rails 6

Colorize `rails routes` output and insert line breaks between controllers

This gem provides a set of handy extensions to Spine and Rails to make you a happier programmer

Dry

A rails form helper and builder for use with Twitter's Bootstrap. It wraps form elements with the DOM necessary to render them correctly using Bootstrap and automatically renders validation errors using Bootstrap.

Provides generated HTML data for Rails application.

MokshaCMS, A Full-stack Content Management framework for Ruby on Rails, providing content/blog management, event management, forums, and newsletter integration.

Additional shoulda matchers for Ruby on Rails.

Administrador - The rails administration interface.

Singular Resource Controllers for Ruby on Rails.

Backy is a comprehensive database backup solution for Ruby on Rails applications, created to help developers manage and safeguard their data with ease. This robust gem offers a wide range of features

Soft deletion for Rails 4, done right.

Provides genereated HTML data for Rails applications.

DoorMat is a Rails Engine that provides a solution for both user authentication and the encryption of user information. It aims to offer safe defaults so you can get going with what your website is really about.

This gem provides a simple way to download report data from salesforce.com. It works well with any ruby applications, include such as Ruby on Rails.You can access salesfore.com using only your sales force login id (=email) and password. A security token is no need.

This gem provides a workflow construction kit for rails apps. Users can arrange workflow bricks in a sequence for each workflow and add parameters. When a workflow is executed, each workflow brick executes a callback method written in ruby and passes the parameters.