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 rele...

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.

Save your SSH connection details with memoh and connect to any saved host by name