stripe_invoice adds PDF views and automated emails to your Koudoku-based application

Customizable Slack notification from GitHub

Canvas LTI and OAUTH2 mountable engine

Large collection of useful Rails 3.1 helpers for SEO, Metatags, Facebook OG tags, integration for analytics services like google, woopra, olark, mixpanel and much much more...

Gakubuchi provides a simple way to manage static pages with Asset Pipeline.

Hanmoto provides a simple way to manage public pages with Asset Pipeline.

This gem using to  integrate hierapolis theme  on rails project.

Bootstrap tools - UI Kit, Devise Views, and Component Partials

Rails admin engine

The peoplefinder provides searchable staff profiles for your organisation. Since it's a rails engine, you can re-skin it for your organisation.

Admin interface for RubyOnRails projects inspired by Leaf CMS

A Rails Interface Framework using Bootstrap 5.0.2.

Includes functionality for site-specific registration and third-party authentication strategies such as social networks (Facebook, Twitter and Linkedin) and freemail providers (Yahoo, Windows Live and Gmail) with support for external database authentication.

Actic is a calendaring engine for Rails3, it combines an iCal interface with ORM. It acts as a wrapper around the RiCal library

Plugin for active admin which allows to easy modify I18n translations

Ajoute un modèle et des vues pour créer des adhérents

Mountable Rails engine for iOS UDID capture and app (IPA) distribution. Uses the IPA's embedded.mobileprovision to determine if IPA can be installed.

Dead simple asset uploader attachments for your active record models

A Rails engine for adding blogging to any Rails 4 application

Call for Papers Rails Engine used for the organization of MagmaRails