ar_jdbc_pg_array includes support of PostgreSQL's int[], float[], text[], timestamptz[] etc. into ActiveRecord. You could define migrations for array columns, query on array columns.

ActiveRecord JSON serializer

Arke is a service oriented api client, providing similar functionality to that of Active Resource

A simple Ruby API client for the Ark Blockchain.

A simple Ruby Cryptography Implementation for the Ark Blockchain.

A Simple feature toggle for a Rails app

The Arkenstone is a Ruby on Rails development environment generator. Its goal is to provide an easy way to spin up a new Vagrant box provisioned for Rails development.

Extract Keywords from Arabic Text

nmax function

An Ark Client for Ruby

Uses various template files to create ARK configuration files - Game.ini - GameUserSettings.ini

Tags tweets word into multiple cathegories using NLP

This gem implements some of the ideas discussed in this post:http://brainspec.com/blog/2012/09/28/lightning-json-in-rails/ for LIGHTNING fast rails APIs

Make left joins feel like first-class citizens in ActiveRecord.

Allows one to query and control one's Arlo devices

Armada makes it simple and easy to combine ActiveModel and FleetDB together

Armadura generates Rails projects, preconfigured with sensible defaults.

Replace missing image files in your models with defaults.

Daemon for sending butches of emails via Amazon SES using ActiveRecord for storing messages. Handles daily quotas, max send rate.

A minimal CouchDB interface that can do nothing but add documents and iterate over documents.