Barista provides simple, integrated support for CoffeeScript in Rack and Rails applications. Much like Compass does for Sass, It also provides Frameworks (bundleable code which can be shared via Gems). Lastly, it also provides a Rack Application (which can be used to server compiled code), a around_filter-style precompiler (as Rack middleware) and simple helpers for rails and Haml. For more details, please see the the README file bundled with it.

The browser timezone is set on the Time#zone

Write Rails controllers with one class per action

OpenConferenceWare is an open source web application for events and conferences. This customizable, general-purpose platform provides proposals, sessions, schedules, tracks and more.

An easy extension for Paperclip to crop your image uploads using jCrop

ActsAsBookable is a reservation engine for Rails applications that allows resources to be booked. You can define availability rules for bookable models and set costraints to implement different types of booking (hotels, theaters, meeting rooms...)

Tests your rails API using its OpenAPI (Swagger) description of end-points, models, and query parameters.

Enable librarians, curators, and others who are responsible for digital collections to create attractive, feature-rich websites that feature these collections.

Bootstrap Forms makes Twitter's Bootstrap on Rails easy to use by creating helpful form builders that minimize markup in your views.

Create, manage, and send scheduled email sequences and drip campaigns from your Rails app.

Makes integrating imgix into your Rails app easier. It builds on imgix-rb to offer a few Rails-specific interfaces. Please see https://github.com/imgix/imgix-rails for more details.

Inkwell provides simple way to add social networking features like comments, reblogs, favorites, following/followers, communities, categories and timelines to your Ruby on Rails application.

This gem embeddes the jQuery colorpicker in the Rails asset pipeline.

Adds generic authorization to the jsonapi-resources gem using Pundit.

Kms - Kandidate Master of Sports - Ruby on Rails CMS

Manage your models, relations, and migrations from a simple UI.

Mousetrap is a javascript library for handling keyboard shortcuts in your web applications. This gem integrates Mousetrap with Rails asset pipeline for easy of use.

Handle camel/snake/dash case conversion

Generated scopes for ActiveRecord classes.

One more solution to create charts in Ruby on Rails application