Provides a simple way to rotate EC2 snapshots with configurable retention periods.

email helpers

Gives face to your text.

Use migrations and simple syntax to manage constraints in PostgreSQL DB.

Uses the Endicia API to create USPS postage labels. Requires account id, partner id, and passphrase. Exports to a variety of image types.

A gem for Ruby on Rails 3 that adds an engine generator for easy code extension

Turn your rails 3 app into an embeddable engine gem, with answers for db migrations, static assets and more.

View helpers 'header' and 'footer', along with an assets generator to make any site look like http://engineyard.com

Enables Active Record attributes to point to enum like objects, by saving in your database only an integer ID.

Allows ActiveRecord to better use PostgreSQL's ENUM types.

Ephemeral lets you define one-to-many relationships between in-memory objects, with ORM-like support for where clauses and chainable scopes.

Generates a template directory that you can use to build a custom epub. After customizing templates, use bin/gen_epub.rb to create and validate an epub archive.

Erector is a Builder-like view framework, inspired by Markaby but overcoming some of its flaws. In Erector all views are objects, not template files, which allows the full power of object-oriented programming (inheritance, modular decomposition, encapsulation) in views.

Errship is a Rails 3.1 engine for rendering error pages inside your layout. It supports i18n, custom exceptions, and Airbrake (Hoptoad) error tracking.

Manage VMWare ESX hosts with ease

Provides basic event management features with versioned history of changes.

A tool for converting delicious bookmarks (HTML file) to Evernote format (ENEX file). The delicious HTML file can be exported from del.icio.us. The generated ENEX file can be imported into Evernote using the official desktop Evernote client.

Enables easy table rendering in rails applications

A tool designed to speedup library loading (startup time) in Ruby by caching library locations

A framework for building analytical models in Ruby and supporting systems. This is meant to be a flexible tool for many kinds of models, and should grow gently over time.