Bit array for ActiveRecord

Import tabular data from spreadsheets or similar sources into data models

Enable ActiveRecord models to be handled as BiTemporal Data Model.

Adds various #where_assoc_* methods to ActiveRecord to make it easy to do correct conditions on the associations of the model being queried.

This 'acts_as' extension provides multi-table inheritance for rails models.

Decreases the need to write integration tests by ensuring that the things you stub or mock actually exist.

Auto-create models, views, controllers, and routes with this slick Rails extension

Compose, decouple and manage domain logic and data persistence separately. Works particularly great for composing form objects!

Download, pull out of a ZIP/TAR/GZ/BZ2 archive, parse, correct, and import XLS, ODS, XML, CSV, HTML, etc. into your ActiveRecord models. Uses Upsert internally for speed.

Safe destroy for ActiveRecord.

SQL input/output plugin for Fluentd event collector

Fast fuzzy string matching for rails

Provides support for using versioning gems such as PaperTrail with Globalize.

Referencing code in app/ from a database migration risks breaking the migration when your app code changes; this gem prevents that mistake

Shield sensitive data in Postgres and MySQL

Likeable allows you to make your models...well...likeable using redis.

A phishing kit collector for scavengers

A faster, lower-memory, fuller-featured querying API for ActiveRecord that returns results as unadorned, read-only objects.

RoleCore is a Rails engine which could provide essential industry of Role-based access control.

#set(), speed-up your specs