Seed Fu is an attempt to once and for all solve the problem of inserting and maintaining seed data in a database. It uses a variety of techniques gathered from various places around the web and combines them to create what is hopefully the most robust seed data system around.

Tire is a Ruby client for the Elasticsearch search engine/database. It provides Ruby-like API for fluent communication with the Elasticsearch server and blends with ActiveModel class for convenient usage in Rails applications. It allows to delete and create indices, define mapping f...

An Action Dispatch session store backed by an Active Record class.

Map Redis types directly to Ruby objects. Works with any class or ORM.

Adds support for creating state machines for attributes on ActiveRecord

Remotipart is a Ruby on Rails gem enabling remote multipart forms (AJAX style file uploads) with jquery-rails. This gem augments the native Rails 3 jQuery-UJS remote form function enabling asynchronous file uploads with little to no modification to your application.

The push notification service for Ruby.

A Rails engine that allows any model to act as messageable, adding the ability to exchange messages with any other messageable model, even different ones. It supports the use of conversations with two or more recipients to organize the messages. You have a complete use of a mailbox object for eac...

Rails observer (removed from core in Rails 4.0)

Chewy provides functionality for Elasticsearch index handling, documents import mappings and chainable query DSL

Dragonfly is a framework that enables on-the-fly processing for any content type. It is especially suited to image handling. Its uses range from image thumbnails to standard attachments to on-demand text generation.

Squeel unlocks the power of Arel in your Rails application with a handy block-based syntax. You can write subqueries, access named functions provided by your RDBMS, and more, all without writing SQL strings. Supporting Rails 3 and 4.

Oso authorization library.

Authentication solution for Rails based on JWT

Rake tasks to migrate data alongside schema changes.

counter_culture provides turbo-charged counter caches that are kept up-to-date not just on create and destroy, that support multiple levels of indirection through relationships, allow dynamic column names and that avoid deadlocks by updating in the after_commit callback.

Official Geokit plugin for Rails/ActiveRecord. Provides location-based goodness for your Rails app. Requires the Geokit gem.

Request log analyzer's purpose is to find out how your web application is being used, how it performs and to focus your optimization efforts. This tool will parse all requests in the application's log file and aggregate the information. Once it is finished parsing the log file(s), it ...

Easily and efficiently make your ActiveRecord model support hierarchies

Strategies for cleaning databases using ActiveRecord. Can be used to ensure a clean state for testing.