Do some browser detection with Ruby.

Export i18n translations and use them on JavaScript.

A framework for creating e-books from Markdown using Ruby. Using the Prince PDF generator, you'll be able to get high quality PDFs. Also supports EPUB, Mobi, Text and HTML generation.

Validate, generate and format CPF/CNPJ numbers. Include command-line tools.

Preload factories (Factory Bot) just like fixtures. It will be easier and, probably, faster!

Add some nice ActiveModel/ActiveRecord validators.

Create a list of hash paths that match a given pattern. You can also generate a hash with only the matching paths.

Send system notifications on several platforms with a simple and unified API. Currently supports Libnotify, OSD, KDE (Knotify and Kdialog) and Snarl

Separate routes for subdomains on Sinatra

Display system notifications after running tests. It works on Mac OS X, Linux and Windows. Powerful when used with autotest or guard.

Breadcrumbs is a simple plugin that adds a `breadcrumbs` object to controllers and views.

A simple HTTP client

Add support for PostgreSQL's SEQUENCE on ActiveRecord migrations

A simple wrapper for objects in less than 100 lines.

This project is a compilation of datasets related to emails. Includes disposable emails, disposable domains, and free email services.

Access environment variables. Also includes presence validation, type coercion and default values.

Some utilities for your Minitest day-to-day usage.

Normalize ActiveRecord attributes

Generate permalink attributes on ActiveModel/ActiveRecord

SVG optimization based on Node's SVGO