simple_navigation_renderers gem adds renderers for Bootstrap 2 and 3. With these renderers you will be able create any bootstrap navigation elements, such as: submenu, navbar-text, divider, header. As well as add icons to menu elements, such as: gliphicons, font-awesome icons, even custom icons. ...

String Tools

Syntactic sugar for ActiveSupport::LogSubscriber for easy instrumentation and logging from third-party libraries.

TimeTap helps you track the time you spend coding on each project while in TextMate.

Adds a helper and 7-column grid for creating calendar views

Rails bindings for Unpoly, the unobtrusive JavaScript framework

This scan every ActiveRecord model looking for relationships ('has_many', 'belongs_to', etc.) and adds foreign key constraints.

Serves the .gz files that are created by the asset precompiler

ActionMailer heavily-inspired gem to handle SMS/Text Messages

Log Rails application actions and filters when accepts a request

Adds WSDL/SOAP and XML-RPC web service support to Action Pack

Form validation for Rails with Dry-Validation

Add support to ActiveMerchant for the Sermepa payment gateway by Servired used by many banks in Spain

ActiveModel with support for booleans and datetimes in form helpers

A safe way to accept user parameters and query against your ActiveRecord Models

ActiveRecord instrumentation for Rails, Resque and Sidekiq

A session store and a cache store backed by Aerospike for Rails.

selectable_attr_rails makes possible to use selectable_attr in rails application

A gem that helps you easily handle exceptions in your Ruby on Rails API and return informative responses to the client by serializing exceptions into JSON and other popular API formats and returning a response with a status code that makes sense based on the exception.

Parameter filter done OO, extending strong parameters.