MAth GEOmetry library to deal with 2 and 3 dimensional spaces. Cartesian and internal coordinate systems can be used. This includes besic objects in 3 dimensional space.

an easier way to access wkhtmltopdf-amd64 in heroku rather than putting it in the app

Basic file type checks based on a few header bytes

Form builder. The laziest way to implement a Form

Serialize RMagick processing steps and run them in a forked subprocess, later

A test framework using watir-webdriver rspec and page-object

Convert between latitude/longitude and Maidenhead Locator System strings

Parses the actual recipient header to determine the destinations.

A gem to access the Mailarchiva API

Mailbox is a JRuby module that simplifies concurrency and is backed by JVM threads.

A simple ERB template mail builder. It creates an email with inline images. Very nice =)

A nice helper when setting the styling for an email.

Allows you to call MailChimp <-> Amazon SES integration methods.

Permite sincronizar automaticamente seus modelos com o Mailee.me, inclusive com gerenciamento de optin.

Rails system mail management solution.

Mail interceptor for different environments

A delivery method that wrapps another delivery method and logs all successfull deliveries. It logs to ./log/emails/#{Time.now....}.eml

StaticMatic + Premailer: Generate HTML emails with inlined styles from Haml and Sass.

MakeExportable is a Rails gem/plugin to assist in exporting application data as CSV, TSV, JSON, HTML, XML or Excel. Filter and limit the data exported using ActiveRecord. Export returned values from instance methods as easily as database columns.

A generator to updates, or creates if not exists, the locale file for the provided target language