ActiveRecord support for the PostgreSQL cube data type.

Postgrestats is a library that captures important PostgreSQL statistics

Access to Rails 4 ActiveRecord models ancestors and descendents in one query.

Postgres_utility gem to perform a variety of methods on Rails app having postgres db

Queries ActiveRecord DBs for info regarding auto vacuum processes and long running queries.

A Fast and Flexible Document Database by Combining Features of Ruby and PostgreSQL with PLV8

simplistic postgresql based queue with support for batching and idempotent operations

zero to one for viewing and getting data from your db

postspec gem

An extension to the Potluck gem that provides some basic utilities for setting up and connecting to Postgres databases, as well as control over the Postgres process.

Minimal command-line interface for PowerDNS database administration.

SCIM v2 support for Users and Groups in Ruby On Rails

Power of Friendship is a friendship library for Rails' Active Records. It allows you to add Facebook style friendships and/or Twitter style followers to any model.

Simple and flexible Ruby On Rails Ecomerce engine

ਪ੍ਰਵਾਨਗੀ (pravangi) : Approval process for your models/domain objects without commiting the changes to the records

Predicate provides a simple class and processors to encode and manipulate (tuple) predicates

Preferred allows you to define preferences on a model and stores them in a jsonb column in PostgreSQL

Prescient provides a unified interface for AI providers including local Ollama, Anthropic Claude, OpenAI GPT, and HuggingFace models. Built for AI applications with error handling, health monitoring, and provider switching.

Experimental, opinionated, minimalist ORM (object-relational mapper) for Ruby, using the Data Mapper pattern.

PrettyDocs by 3rd Wave Media adapted for Ruby on Rails.