A ruby gem to handle multiple user roles on a Rails app, it also has Devise support

Active Record model versioning

Disabling the rendering of the attribute name for errors by the error_messages_for helper. Simply place a caret as the first character in the message.

Provides an authorization mechanism for Rails applications inspired by role-based access control (RBAC). Authorization is defined through readable rules that map roles to permitted actions, making access control easier to maintain.

Instance-based deploys made easy

Rails: Get notified when an after_commit block blows up

Rails plugin with dyanmic I18n backend for good internationalization.

Throttling of ActiveRecord model creations.

Ruby client for ArtLebedevStudio.RemoteTypograf service

Ruby interface to the AMEE carbon calculator

A small library that defines how ActiveRecord models should be anonymised for deletion purposes.

Replacement for broken Class.new(ActiveRecord::Base)

Passive network mapping tool

Easing the creation of DTOs from your ActiveRecord models.

Generate Go Struct from activerecord models

Handles ActiveRecord authors in the same way as timstamps.

Arboreal is yet another extension to ActiveRecord to support tree-shaped data structures. Internally, Arboreal maintains a computed "ancestry_string" column, which caches the path from the root of a tree to each node, allowing efficient retrieval of both ancestors and descendants. Arboreal surf...

Arca is a callback analyzer for ActiveRecord ideally suited for digging yourself out of callback hell

Parameter filter done OO, extending strong parameters.

Archive your Rails models rather than delete them, with model and controller concerns.