this is a very cool lib,

Generate syntax-highlighted slides from Markdown

Helium accepts a list of URLs for different sections of a site then loads and parses each page to build...

An ActionMailer delivery method to save mails as files in a directory.

So you downloaded inaction_mailer, and you had a folder full of e-mails generated while writing your app?

Large scale server deploys using BitTorrent and the BitTornado library.

Easily show multiple, overlapping events across calendar days and rows.

The Ruby Koans walk you along the path to enlightenment in order to learn Ruby. The goal is to learn...

Ambitious Query Indexer is a Rails plugin to identify database indexes that are missing. Rather than looking at tables and...

Capybara sets up some tags for you to use in Cucumber. Often you’ll want to run only some scenarios...

A simple implementation of an Identity Mapper for Active Record.

Pretty print your Ruby objects with style -- in full color and with proper indentation

Steak is like Cucumber but in plain Ruby.

Rails plugin which adds a convenient way to override attr_accessible protection.... You can mark certain attributes as trusted for...

Rack middleware for rate-limiting incoming HTTP requests.

Asset Fingerprint Plugin for Ruby on Rails - allows you to use md5 or timestamps in query string or in asset...

File upload solution that supports form roundtrips when a validation fails.

Provides an irb session to an existing ruby process.

Clockwork is a cron replacement. It runs as a lightweight, long-running Ruby process which sits alongside your web processes...

Test spies are a form of test double that preserves the normal four-phase unit

How do you scale CSS for millions of visitors or thousands of pages? Object Oriented CSS allows you to write...