Improvement of parallel_tests gem for PostgreSQL database. Provides enhanced database cloning.

This gem is to help you to map your csv file to a .txt file with specific format

active record migration wrapper for pt-online-schema-change cli command

Quickly add publish/draft state to your ActiveRecord models

It's often advantageous to use integer primary keys, but it may be disadvantageous to expose the size of your database to open internet. This gem makes it easy to continue using an integer primary key internally in your code, while displaying a more obscure public primary key that does not give clues to the size of your database to your users.

Publishing logic for ActiveRecord models

Simple sinatra/activerecord based app for tracking time when people have been in the office

(cross)db client you always wanted

A software model in Ruby for the greenhouse gas emissions of a purchase

Advanced key-based searching for ActiveRecord objects.

Apartment allows Rack applications to deal with database multitenancy through ActiveRecord

This is a very simple framework to create small frontends in a webserver

Print debugging for professionals

A Rails add-on for handling query filters

Adds support for using SQL views within ActiveRecord

Quby is a Rails engine that can render and update answers for questionnaires defined in a custom DSL.

Parallel query for ActiveRecord

Tie query parameters to scopes, or create dynamic scopes on the fly. Define sets of reusable scopes for use in reporting and filtering.

Queryalize lets you use Rails 3 to build queries just like with ActiveRecord::QueryMethods, except you can serialize the end result. This is useful for running queries that potentially return large result sets in the background using something like Resque or Delayed::Job.

Query cache middleware for custom ActiveRecord base classes.