Rails gem allowing ActiveRecord models to have order and to move them up and down

This act gives an Active Record model the ability to act as a finite state machine (FSM).

Track activities in your ActiveRecord models.

ActiveRecord extension that serializes destroyed records into a trash table from which they can be restored. This is intended to reduce the risk of users misusing your application's delete function and losing data.

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.

Instance-based deploys made easy

Rails: Get notified when an after_commit block blows up

Rails plugin with dyanmic I18n backend for good internationalization.

selectable_attr_rails makes possible to use selectable_attr in rails application

Create ActiveRecord models from an existing database

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

Add secure, production-ready API key authentication to your Rails app in minutes. Handles key generation, hashing, expiration, revocation, per-key scopes; plus a drop-in dashboard for your users to self-issue and manage their own API keys.

Generate Go Struct from activerecord models