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

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

InfluxDB the Rails way

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

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

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

Settings for your classes

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.

Simple, zero-dependant enum translation gem for Rails

ULID for Rails

A custom validation for your Active Model that check if an array is included in another one

Ambry is not an ORM, man! It's a database and ORM replacement for (mostly) static models and small datasets. It provides ActiveModel compatibility, and flexible searching and storage.

Emissão de Boletos Bancários em Ruby

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

ActiveRecord-ish DynamoDB ORM

Define schemas using a clean DSL and get both JSON Schema documents and runtime validations. Perfect for API request/response validation, LLM function definitions (OpenAI, Anthropic), and structured data modeling. Features Sorbet-style types, schema composition, pluggable validation adapters, and multiple error output formats (JSON:API, RFC 7807).

ActiveModel email validator. Checks MX records for domains. Allows you to block free/disposable email providers

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