Multi tenancy support for Rails

Patching rails include/select/virtual attributes issue ( https://github.com/rails/rails/issues/15185 )

Searchlogic makes using ActiveRecord named scopes easier and less repetitive.

Fast and unobtrusive activity tracking of ActiveRecord models using DataMapper and Redis

When you write a web API, you make a promise to the world. RSpec API helps you keep your promise.

ruby-ensembl-api provides a ruby API to the Ensembl databases (http://www.ensembl.org)

SafeFinder lets you define model's null_object through simple DSL, and returns it when you can't find a result.

In an ActiveRecord migration, set the default to create a foreign key and index for all columns that define relatoins.

Adds support for enum data types in ActiveRecord

Extended support for foreign key constraints in ActiveRecord, including: definition as column attribute; deferrable; and SQLite3 support; cleaner dumps; and more!

Use your SQL database to power instant search for your Rails app with materalized views

Easy dump/restore tool for ActiveRecord.

Plain old Ruby for generating primitive data structures from object graphs.

A bridge between using AR and a full blown schema-free db.

Create and manage sequential jobs in Sidekiq

Simple Role System for Rails Apps

Minimal console table

Termtter is a terminal based Twitter client.

IRC bouncer with multi-client support

Traver is an object creation framework