Check out the Rails PR for full details: https://github.com/rails/rails/pull/24870

Rake db managements tasks for projects that use ActiveRecord without Rails.

Adds *_formatted and *_formatted= methods to all rails model's date attributes

The gem creates a view, controller and routes to allow Rails developers to see their ActiveRecord tables.

ActiveRecord Migration Notes hooks into the Rails migrations and monitors if the migrations contain a note methods that should be shown afterwards.

Install this gem to use Cassandra with JRuby on Rails.

ActiveService is a Rails extension that aims at creating reusable, transactional services in your application to make your code more DRY.

ActiveShard is a library that implements flexible sharding in ActiveRecord and Rails.

Easy to work with mysql from ruby and rails

Ruby on Rails library for encrypting and decrypting text using hill cipher algorithm

Easy datamapper methods to use redis in rails

ActiveSettings provides an open and ad-hoc settings config for globally-accessible variables via ActiveRecord in your rails 3.1+ app.

Redis and database based activity stream in Rails 3 applications

Add concur oauth support to your rails/ruby app

Ruby on Rails gem to provide simple and easy commenting system for any model.

acts_as_ecv is a simple ruby gem that helps add ecv (Extended Content Verification) to Rails webapp

A minimal administration framework for Ruby on Rails application.

A simple library for autocreating RESTful swagger api docs from Rails controllers.

Extend Rails capabilities of importing and exporting excel files thanks to Spreadsheet gem

acts_as_working_days is a Rails plugin to add working days on models