ActiveRecord Association Helper for PORO (Plain Old Ruby Object)

Active Remote provides Active Record-like object-relational mapping over RPC. It was written for use with Google Protocol Buffers, but could be extended to use any RPC data format.

High-level library for working with the Cloud Foundry API.

CNPJ validation for ActiveModel

CPF validation for ActiveModel

This library provides view components for the GOV.UK Design System. It makes creating services more familiar for Ruby on Rails developers.

InfluxDB the Rails way

Paperclip-Azure is a [Paperclip](https://github.com/thoughtbot/paperclip) storage driver for storing files in a Microsoft Azure Blob.

a class to validate emails. it builded for rails

Related is a Redis-backed high performance distributed graph database.

Spira is a framework for using the information in RDF.rb repositories as model objects.

ruby wrapper for the Bitbucket REST API (v2) with oauth inspired by vongrippen/bitbucket.

Operation macros for form objects

Making object from any hash or hash array

Enable to use the concept of form objects with ActiveModel

Extension for ActiveRecord that adds support for PostgreSQL array columns, mapping string values to integers.

Provides ActiveModel compatible wrappers for Braintree models and more.

ORM-like interface allows you to persist your models to Couchbase

Faceted provides set of tools, patterns, and modules for use in API implementations.

Easily use any Plain Old Ruby Object as the model for Rails form helpers.