Gems and Libraries

Reference manual for RubyGems

RSpec is a Behaviour Driven Development framework for Ruby. It provides two frameworks for writing and executing examples of how your Ruby application should behave: a Story Framework for describing behaviour at the application level; and a Spec Framework for describing behaviour at the object level.

How to compile the mysql gem when using the Mac Ports install of MySQL and the native Mac OS X Leopard (10.5) Ruby and Rails (and gems) installs.

Log4r is a comprehensive and flexible logging library written in Ruby for use in Ruby programs. It features a hierarchical logging system of any number of levels, custom level names, logger inheritance, multiple output destinations, execution tracing, custom formatting, thread safteyness, XML and YAML configuration, and more.

Instructions for installing RMagick on Mac OS X, including how to use MacPorts to get ImageMagick running. Part of the larger documentation set for RMagick.

Facets is a huge collection of Ruby libraries. Before you write something that addresses a common problem, look here to see if it has already been done for you.

Provides a rake tasks that adds comments to all your models listing the database columns.

A gem that supports using enhanced gems to replace Rails plugins.

Announcin preview releases of Net::SSH, Net::SFTP, and Net::SCP

Official Mocha Readme

FlexMock is a simple, but flexible, mock object library for Ruby unit testing that integrates easily with Test::Unit.

An excellent site for finding and rating Ruby gems.