The simplest way to handle the primary or default flag to your models.

Run your own url shortener add your own web address for free on Heroku.com

Sibu is an engine for Ruby on Rails that enables creation of static websites in a simple & wysiwyg way.

Simple Hstore Accessor extension for Rails 3

simple_nested_set allows to easily handle nested sets in ActiveRecord

SQL with a simple interface. Postgres only.

Very simple automatic generation and saving nested attributes of models from html form. ActiveModel.

Foreman Smart Proxy plug-in for Pulp 3 container registry support

SO2DB provides an API for building StackOverflow data dump importers. It ships with a PostgreSQL implementation and binary.

Adyen HPP payments for Solidus Stores

This gem provides an acts_as_list compatible capability for sorting and reordering a number of objects in a list. The class that has this specified needs to have a +position+ column defined as an integer on the mapped database table. This gem requires ActiveRecord 3.0 as it has been refactored to use the scope methods and query interface introduced with Ruby on Rails 3.0

Adds spatial methods to a model.

SQLCapsule is the culmination of many of my thoughts and concerns surrounding ORMs and how we use Ruby to interact with databases. The goal is to be a small and easy to understand tool to help you talk to your database without the baggage of a using a full fledged ORM. SQLCapsule is reminiscent of the repository pattern (though you may use it however you like) and works by registering and naming SQL queries for later use. SQLCapsule aims to provide helpful errors, and to assist you along the way to building an application specific PostgreSQL interaction layer.

Simple way to create and interact with your SQL views using ActiveRecord.

Define and execute SQL integration tests for Postgres databases

Define and execute SQL integration tests for AWS Redshift

Use rails semantics to search keys and values inside PostgreSQL jsonb, json and hstore columns. Compatible with StoreXT attributes.

"Squirm is an anti-ORM for database-loving programmers"

Leveraging Doorkeeper as single-sign-on OAuth server. To provide true single-sign-OUT, every request on an OAuth client app is verified with the SSO server.

StandardAPI makes it easy to expose a query interface for your Rails models