Provides localized formating for postal addresses.

Polymorphic address models, address normalization, address web services, address autocomplete, maps

Logging, Tracing, and Gelf Logging for rails

Interactor + Form Object + ActiveModel::Validation

Log Warrior for your best logging tools.

ActiveModel-compliant CouchDB ORM

Louche provides common validators for ActiveModel/ActiveRecord classes

Validate numbers using Luhn Algorithm

Validates mac format with the mac_address gem.

A model based on ActiveModel that provides mass assignment with role support.

Rails 3 validators for magick numbers like PESEL, NIP, REGON

A mass mailing tool for real threads aficionados

MailShield enhances your app’s security by blocking temporary, spam and disposable email addresses, keeping your user data clean and reducing spam.

A mail gem based validator for rails

Mail validation for ActiveModel

DynamoDB Client Wrapper

Business logic for e-commerce checkouts

MarkMapper is a Object-Document Mapper for Ruby and Rails

Markun is Markdown bulk converter with menu link

This gem allows you to pass multiple roles into methods like save and update_attributes