Programs that will be needed:
Ruby
Ruby on Rails
Eclipse (or another IDE )
MySql

Ruby gems you will need to start:
require ‘color’
require ‘money’
require ‘money_extensions’
require ‘extended_nil’
require ‘array_extensions’
require ‘paypal’
require ‘transaction/simple’
require ‘transaction/simple/group’
require ‘pdf/writer’
require ‘pdf/simpletable’
require ‘redcloth’
require ‘uuidtools’
require ‘feed_tools’
require ‘chronic’
require “paginator”
require “slave”
require “daemons”
gem “ferret”, ”>=0.10.9”
require “ferret”
gem “transaction-simple”, ”>= 1.4.0”
require “transaction/simple”
rmagick