1. GlimmerDSL Framework consisting of a DSL Engine and a Data-Binding Library used in Glimmer DSL for SWT (JRuby Desktop Development GUI Framework), Glimmer DSL for Opal (Pure Ruby Web GUI), Glimmer DSL for XML (& HTML), Glimmer DSL for CSS, and Glimmer DSL for Tk (MRI Ruby Desktop Development GUI Library)
2. Super moduleSuperModule allows defining class methods and method invocations the same way a super class does without using def included(base). This also succeeds ActiveSupport::Concern by offering lighter syntax
3. Ultra light wizardNo time to manage a wizard state machine, session variables, or complicated controllers? Use ultra light wizard!! A RESTful session-less validation-friendly simple multi-step form approach in Rails.
5. puts debuggererRuby library for improved puts debugging, automatically displaying bonus useful information such as source line number and source code.