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

Easy split testing and feature flagging for Rails with TestTrack server

Simple, zero-dependant enum translation gem for Rails

Making object from any hash or hash array

Enable to use the concept of form objects with ActiveModel

ActiveRecord Association Helper for PORO (Plain Old Ruby Object)

Provides ActiveModel compatible wrappers for Braintree models and more.

BrNfe é uma gem para projetos Ruby on Rails que tem como objetifo facilitar e padronizar a emissão de Notas Fiscais eletrônicas

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

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

ActiveRecord-ish DynamoDB ORM

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

Rfm is a standalone database adapter for Filemaker server. Ginjo-rfm features multiple xml parser support, ActiveModel integration, field mapping, compound queries, logging, scoping, and a configuration framework.

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

Create ActiveModel-compliant objects for your JSONAPI-based API

Parse Server Ruby Client. Perform Object-relational mapping between Parse Server and Ruby classes, with authentication, cloud code webhooks, push notifications and more built in.

ORM for Redis (advanced key-value storage) with ActiveRecord API

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

OpenStreetMap API client for ruby

Assemble servers from your recipe.