This mountable engine has the basic functionality to manage Posts

Integrates Josh Sullivan's CSS3 Progress Bars into Rails and adds ActionView helpers for generation.

Internal CTL base UI toolkit

Lightweight Resource-Based Presence Solution with CableReady

Training Wheels for Cucumber-Rails

Simplify the management of a sandbox database that can sync content to a production database. Content changes can be bundled to allow partial syncs of the database.

Cybersourcery takes care of the most difficult aspects of working with Cybersource in Rails. It makes as few assumptions as possible about your business requirements, allowing you to use any subset of features appropriate to your needs.

Daddy helps me build web applications since daddy knows some good practices.

Daengine handles digital asset processing.

Dalli UI is a mountable engine for Rails apps that displays information about your dalli (https://github.com/mperham/dalli) memcached instance and allows you to flush it from a web interface.

Delivers .dart directly to Dartium-browser and compiles via ruby-dart2js for others as compatibility.

Create beautiful, customizable bento-style admin dashboards in your Rails application with a very simple DSL.

Allows you to create data migrations that can be run up and down to insert data into the database.

Provides a simple methodology for seeding your Rails database

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

Export, sanitize, and import data to help develop better apps.

A Rails 4 ActiveRecord plugin that adds group_by_day, group_by_month, etc. Not timezone aware, but supports sqlite.

This gem allows you to fetch data using Dato GraphQL APIs and render the content in your Rails app.

db2fog provides rake tasks for backing up and restoring your DB to cloud storage providers

Define indexes and foreign keys for your Rails app in one place using an easy-to-read DSL, then run a rake task to bring your database up-to-date.