Action caching for Action Pack (removed from core in Rails 4.0)

Helpful method when you need to add some logic that figures out if the link (or more often navigation item) is selected based on the current page or other arbitrary condition

lol_dba is a small package of rake tasks that scan your application models and displays a list of columns that probably should be indexed. Also, it can generate .sql migration scripts.

A Rails engine for queuing and managing maintenance tasks

Permitted and required parameters for Action Pack

Link header pagination for Rails and Grape APIs

Axlsx_Rails provides an Axlsx renderer so you can move all your spreadsheet code from your controller into view files. Partials are supported so you can organize any code into reusable chunks (e.g. cover sheets, common styling, etc.) You can use it with acts_as_xlsx, placing the to_xlsx call in a...

A full-stack Facebook Graph API wrapper in Ruby.

Intercom (https://www.intercom.io) is a customer relationship management and messaging tool for web app owners. This library makes it easier to use the correct javascript tracking code in your rails applications.

Translates the Rails routes of your application into the languages defined in your locale files

Haml-rails provides Haml generators for Rails 3. It also enables Haml as the templating engine for you, so you don't have to screw around in your own application.rb when your Gemfile already clearly indicated what templating engine you have installed. Hurrah.

Devise Async provides an easy way to configure Devise to send its emails asynchronously using ActiveJob.

Git history statistics generator

Operational controls for Active Job

Allows simple search forms to be created against an AR3 model and its associations, has useful view helpers for sort links and multiparameter fields as well.

Static page caching for Action Pack (removed from core in Rails 4.0)

Rails port of Heroku PG Extras. The goal of this project is to provide a powerful insights into PostgreSQL database for Ruby on Rails apps that are not using the default Heroku PostgreSQL plugin.

jQuery File Upload by Sebastian Tschan integrated for Rails 3.1+ Asset Pipeline

Konacha is a Rails engine that allows you to test your JavaScript with the mocha test framework and chai assertion library. It is similar to Jasmine and Evergreen, but does not attempt to be framework agnostic. By sticking with Rails, Konacha can take full advantage of features such as the asset...

Protect attributes from mass assignment