Easy denormalization for your ActiveRecord models

Uniform Omni-Relational ActiveRecord Tools. Includes polymorphic and any belongs_to relation.

It is a Rails engine that gathers a set of other gems and configurations designed to build incredible APIs

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

Procore Ruby Gem

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

Puffer pages is integratable rails CMS with puffer admin interface

Pugin is a component-based pattern design library that holds all of the reusable partials, styles and scripts for elements of UK Parliament microservices.

Defining page-specific Javascript shouldn't be hard. That's what Punchbox is looking to fix

A batteries-included monitoring tool for single hosts. Works great with Kamal.

https://github.com/0dayinc/pwn/README.md

A universal interface for Ruby queueing backends.

SQL queries counter for Rails apps

Makes it easy to add and edit forms programatically, specifying select, radio, checkbox, or string input, and recordings users' answers. Questions can be associated with specific objects or with string labels. A form template and controller are including for displaying questions and recording answers, and ActiveAdmin is supported for editing the questions and options on the back-end.

Returns random records for Ruby Models fast and quick

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.

Like Rails Engines, but without the friction. Your Rails app can't access them, and they can't access each other.

Extend Rails Engine's business logic (models, controllers, helpers, etc.) easily from your application or other engine.

Lookup tables with ruby-on-rails

Pattern matching for Rails applications