Core library for multi database support in any Ruby project for ActiveRecord. Migrations are supported by optional gem multi_ar_migrations.

This gem lets you specify different config file for an ActiveRecord Model

rails multiple database connections

Enables multitenant setup with one database per tenant. See README for details.

rails multiple databases load balancer

State machine that allows dynamic transitions for business workflows

Simple additions to write efficient insert queries.

Model translations for Rails 3 backed by PostgreSQL and Hstore

MultiModelWizard is a way to create and update multiple ActiveRecord models using one form object.

Set a DateTime via two accessors, one for the date, one for the time

Elo library for single and multiplayer games

Hacky utility to access dbs listed in Rails' database.yml. See README for more info.

Search multiple columns of a database, returning a hash of non-empty columns

Make a naive rails app multisite easily

Facilitates true multi table inheritance of ActiveRecord models by providing methods for super- and subclasses as well as models with a foreign-key association to MTI records.

Rails multitenancy with PostgreSQL schemas.

Makes everyday search easy-ish.

Ruby Reports is a software library that aims to make the task of reporting less tedious and painful. It provides tools for data acquisition, database interaction, formatting, and parsing/munging.

Host your bookmarks or maintain a link blog

A simple MP3 player written in Ruby. Depends on mpg123.