Domain Driven Rails provides Rails abstract classes and generators to support for a Domain Driven Design

This is domain handler gem

Generate cookie with viewer id in same domain services.

Libaries to assist with mining data from donorschoose.org Hacking Education project

Mark methods as deprecated

Find exact and similar records

postgresql extended operators

DoRole provides a clean and intuitive way to manage roles and permissions in Rails applications

ActiveRecord Multi-tenant

Test doublecheck views with ActiveRecord

A double-entry accural accounting system

Douglas adds stamps to any ActiveRecord model, like {created,updated}_by

Minimal abstraction to write parameterized filters for ActiveRecord models

All draft data is saved in a separate table, so no need to worry about existing code / SQL accidentally finding non-approved data. Supports draft changes to existing objects, and creating new objects as drafts. Supports 'draft transactions' which may update / create many objects, and must be approved / rejected in their entirety.

Drafteable is a super simple and opinionated ActiveRecord model draft behavior encapsulation

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ActiveRecord-backed data store for Dragonfly

Manipulate a database using Amazon Alexa skill voice commands, eventually to be used to create syllogisms

Distance queries for ActiveRecord 3

Convert Google Spreadsheets to Rails Models