Automatically launch Hadoop or Spark clusters in the cloud

A tool to create a JSON response right inside of PostgreSQL 9.3+

Harris's test gem

Will finish later.

A Ruby clone of darcs that uses ActiveRecord for storing patches.

Use query objects as flexible building blocks

Adds a helper to wrap model methods in transactions easily.

Represent search interface via ActiveModel instance

Ultra simple manual sort key handling for ActiveRecord models.

Ruby gem for building robust service operations with guard validations, distributed mutex locks via Redlock, database transactions, and comprehensive error handling. Thread-safe and designed for production Rails applications.

adds a random() method to your activerecord models. respects where conditions and joins.

A collection of hacks for ActiveRecord.

New Era Notifier

Hario provides ActiveRecord filtering for Rails APIs.

acts_as_graph is a Rails plugin that facilitates a Graph like interface to ActiveRecord.

The bare bones necessary for Harpiya.

Common tools and helpers for Harpiya Extensions developers

Harvixture is a tool that can be used to extract data, in the form of fixtures, from a Rails project. It is done by pointing the harvixture at a request_path and dumping fixtures for all "found" ActiveRecord objects.

Make ActiveRecord defer/postpone saving the records you add to an habtm (has_and_belongs_to_many) association until you call model.save, allowing validation in the style of normal attributes.

ActiveRecord helpers for checking associations