Backport `left_joins` from Rails 5 for Rails 3 and 4.

Create ActiveRecord models from an existing database

Ride the rails but don't touch them.

Store order of your models by using lexicographic sorting.

Bring the speed back to your Active Record models!

WIth this gem, you can render your Ruby on Rails views with liquid templates that are loaded from database. This way, the look and feel of your site can be safely configured by it's users.

LoggableActivity is a powerful gem for Ruby on Rails that provides seamless user activity logging prepared for GDPR compliance and supporting record relations. It allows you to effortlessly keep track of user actions within your application, capturing who did what and when, even with related records included in the logs. With LoggableActivity, you can maintain the privacy of sensitive information in your logs, making it a perfect solution for applications that require robust audit trails while adhering to strict data protection regulations.

LogicalModel allows to use a resource as a model. It is based on web presentation http://www.slideshare.net/ihower/serviceoriented-design-and-implement-with-rails3

A Rails library for logging login attempts and blocking as appropriate.

Another Logger - Addon for Database Support (LogDb, Log Model etc.)

"Bitfields for ActiveRecord": store low-cardinality columns in a separate table for vastly more flexibility and better performance.

A simple ActiveRecord wrapper for various Magento models

MagicEnum is a simple ActiveRecord plugin that makes it easier to maintain ENUM-like attributes in your models.

Moduler solution to add search functionality for selected fields.

A user-centric watching extension for Rails 3 applications.

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.

A multi-dimensional semantic layer on top of ActiveRecord that allows running pivot table queries and rendering them as CSV, HTML, or KickChart-ready hashes. Supports time dimensions, cohort analysis, custom rollups, and drilling through to the underlying ActiveRecord objects.

Input Mask validation for ActiveModel

This gem aims to provide an easy and faster way to do single database insertions in Rails.

A Rails plugin for merging Active Record models