Instant CSV support for Rails

Bettertabs is a Rails 3.1+ engine that adds a helper and jQuery plugin to define the markup and behavior for a tabbed area in a easy and declarative way, using the appropiate JavaScript but ensuring accessibility and usability, no matter if the content is loaded statically, via ajax or just with links.

A modular CMS for Ruby on Rails 5 with an intuitive out-of-the-box interface to manage and customize components. Use Binda if you want to speed up your setup process and concentrate directly on what your application is about. Please read the documentation for more information and a quick start guide.

Gallery display for Blacklight

bootstrap_calendar_rails allow you to build beautiful calendars with Twitter Bootstrap and Rails

Admin Web UI to manage permissions - Who can do What on Which objects

Carnival is an easy-to-use and extensible Rails Engine to speed the development of data management interfaces. When you use Carnival you can benefit from made features that are already done. If you need to change anything, you can write your own version of the method, using real Ruby code without worrying about the syntax of the engine.

Pagar.me engine for catarse

PaypalExpress integration with Catarse crowdfunding platform

See the README for documentation

Edit live website copy.

Easy breadcrumbs for Rails apps.

A data curation Ruby on Rails engine built on Hydra and Sufia

A Ruby-on-Rails interface to Datastax Enterprise. Intended for use with the DSE search nodes.

Based on heroku dataclips feature, SQL -> Dataset

A configurable demo mode for your Rails app. Specify your desired "personas" and DemoMode will handle the rest.

Cookie-based JWT authentication for devise with configurable token revocation strategies

Straightforward way to implement communication between Rails Engines using the Publish-Subscribe pattern

The easiest way to create bookmarklets in your rails app.

Egregious is a rails based exception handling gem for well defined http exception handling for json, xml and html. Requires Rails.