Ruby

Libraries for Ruby

terminal helper

• Pry
  • irbの代替
• Awesome print
  • 出力のフォーマッタ

O/R mapper

• ActiveRecord - a part of Ruby on Rails -
  • Arel
• DataMapper
• Sequel

Template Engine

• (Slim)[http://slim-lang.com/]
• (Haml)[http://haml.info/]