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

Mass shootings as a service

Matic adds attribute accessors and dirty tracking to Mongomatic and optionally shortens field names saved to MongoDB.

Ruby boolean type casting

Send SMS messages

Paperclip-Azure is a [Paperclip](https://github.com/thoughtbot/paperclip) storage driver for storing files in a Microsoft Azure Blob. This is a friendly fork of the [original gem](https://github.com/supportify/paperclip-azure); it incorporates bugfixes that haven't yet been incldued in point releases of the upstream gem and some new features.

A Rails concern to make caching ActiveRecord objects as dead-simple as possible. Uses the built-in Rails.cache mechanism, and implements the new finder methods available in Rails 4.0 to ensure maximum future compatibility.