ActiveBlog is a Rails Engine for Blogging

DRY controller actions for Rails > 3.0 and keeps your controllers nice and skinny.

Use kaminari paginator with ActiveHash.

Framework for business logic classes in a Ruby on Rails application

Modules/classes that extend AMS with more functionality

Rails Activity Logger

acts_as_flexigrid is ActiveRecord plugin for Flexigrid

Addressbook cloud interface.

Simple admin interface for Ruby on Rails applications.

Flexible admin framework for Rails

A minimal administration framework for Ruby on Rails application.

Description of Adminka.

A framework for creating admin dashboards

Generates Twitter Bootstrap based admin panel with scaffolder. Project is quite opinionated, requires Rails 4, SASS, SimpleForm, Kaminari and Devise.

Basic Admin Backend interface for Ruby on Rails

Build your epic APIs same time you are building your website. Docs included

ActiveModel::Serializers allows you to generate your JSON in an object-oriented and convention-driven manner.

AgileRails, development tool for agile development of in-house (Intranet, business, private cloud) applications as well as CMS for creating complex, data-entry intensive web sites.

Ahoy is a great analytics tracking gem. AhoyPanel is a great dashboard for the data collected by Ahoy.

Expose models with restful api