Ruby/Rails DSL for Prediction.io, an open source machine learning server.

Preload association or scope counts. This can greatly reduce the number of queries you have to perform and thus yield great performance gains.

Super simple way to store prices

Define and enforce pricing plan limits in your Rails SaaS (entitlements, quotas, feature gating). pricing_plans acts as your single source of truth for pricing plans. Define a pricing catalog with feature gating, persistent caps, per‑period allowances, grace periods, and get view/controller/model...

Procore Ruby Gem

Runs regular Rails/ActiveRecord migrations via the Percona Toolkit pt-online-schema-change tool.

APNS support for the modular push daemon.

Adds callback hooks for your ActiveModel models for sending messages to a Pusher channel.

Fast approximate row counts for large PostgreSQL tables using database statistics instead of COUNT(*)

Returns random records for Ruby Models fast and quick

Simple bitmask attribute support for ActiveRecord

A server health check for active_record.

Rails-bigint-pk modifies Rails so that it uses 64-bit primary and foreign keys. It works with MySQL and PostgreSQL and has versions for Rails 3 and 4.

Easily use 64-bit primary keys in Rails

Provides cross-rails methods for you to upgrade rails, backport features, create easy-to-maintain gems, and so on.

Add rake db:dump, rake db:restore and cap db:pull

Graph visualization for Rails applications.

Rails Hyperdrive mounts an MCP (Model Context Protocol) server at /_hyperdrive/mcp in development, exposing introspection tools for AI coding agents (eval Ruby, query DB, tail logs, list models/routes, locate source, fetch docs, snapshot stack). It also ships a `hyperdrive:init` generator that di...

Handles multiple tenants in a Rails environment

Elastic-quality full-text search, vector retrieval, and aggregations in Postgres via ParadeDB and ActiveRecord.