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

Best rails admin panel. Great mechanism for customization and rapid development

Open source Ruby on Rails photo gallery engine designed for integration with Refinery CMS.

Sprig-Reap is a gem that allows you to output your application's data state to seed files.

This gem preps a new Rails app with some of the best Rails gems and Jquery sweetness available( Twitter-Bootstrap, Devise, CanCan, Rails Admin, Spreadsheet, ) Not only does it takes care of the installation of these gems, it also extends your scaffolds to give aesthetically improved views. Furthe...

Simple and real-life tested Rails::Engine admin interface

Converts ActiveAdmin into a simple CMS

Gem that focus on making a public site's resources very quickly while being very configurable!, supports facebook sharing, instagram and google analytics integration

Dead simple asset uploader attachments for your active record models

Bizside is an utilities to assist building web application.

Automatically sends carrierwave uploads to AttachmentScanner to search for viruses, malware and other malicious files.

Places a serialized file into a field as a Base64 string and returns the data-url for it

Wrapper for cloudflare transforming images

CarrierWave extension for on fly specifying crop area with preview and cropping images before they saved.

CarrierWave FFmpeg

Use Globalize to manage Carrierwave translated fields

Simply optimize CarrierWave images via image_optim

ruby-filemagic and mime-types for carrierwave

mimetype-fu for carrierwave

Qcloud COS Storage support for CarrierWave