Background processing for ActiveRecord using a 'delayable' worker and a state_machine

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

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

Rails support for <input type='date'> with a jQuery UI datepicker polyfill

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.

helps manage db dumps and imports via rake tasks

This gem implements Class Table Inheritance (CTI) for Rails using database views.

Providing RESTful APIs for dcm4chee.

Models used in the Duke Digital Repository

Dead Simple CMS is a library for modifying different parts of your website without the overhead of having a fullblown CMS. The idea with this library is simple: provide an easy way to hook into different parts of your application (not only views) by defining the different parts to modify in an ea...

Double entry accounting for Rails applications

Decanter aims to reduce complexity in Rails controllers by creating a place for transforming data before it hits the model and database.

Use decent_exposure with decorators (e.g. Draper)