Convert arrays to CSV (array of hashes, matrixes, ActiveRecord objects etc).

Trailblazer Finder Objects

Support for DB transactions with Capybara

Similar to globalize, but uses PostgreSQL's JSONB to store data in a single field. No additional tables required. Very thin abstraction

Traver is an object creation framework

A gem to include all the USDA nutrient data quickly into a ruby project

Keep your code DRY by inferring column validations from table properties! Automagically validate presence, length, numericality, inclusion and uniqueness of ActiveRecord backed columns.

This library helps validate attributes to specific types in the same way that ActiveModel valiations work. Able to chain additional modifiers to each validation.

WatchTower helps you track how much time you spend on all of your projects.

worlddb - world.db schema 'n' models for easy (re)use

Yabeda plugin for easy collection of ActiveRecord metrics: query performance, connection pool stats, etc.

This scan every ActiveRecord model looking for relationships ('has_many', 'belongs_to', etc.) and adds foreign key constraints.

A collection of utilitarian named scopes providing common functionality for ActiveRecord models.

Filter and search using an expressive, user defined, query language

Track and persist AASM state history

ActiveRecord::Base#count and other calculations as subqueries. Instead of nice Rails grouping calculation feature, \ uses subqueries to return the result with any complex query

Act-as-Buddy is a gem to allow any model to implement self relation. For eg: the friendships of a user can be implemented easily by self relation technique of act_as_buddy. Any Model can be buddied or lopped on to itself. Main uses would be for Users create friends etc.. Eg: User has many friends and friends are members of users table itself. This is expected to be heavily useful in social networking domain.

Permite formatar e validar um atributo ActiveRecord como CPF, CNPJ ou ambos

Adds WSDL/SOAP and XML-RPC web service support to Action Pack

Allow user duplication of ActiveAdmin resources using the power of the Amoeba gem. Resource duplication can be performed by either persisting the model and its relations, or by pre-filling a new resource's form fields.