Ruby

Definition

Ruby is a dynamic, interpreted, object-oriented programming language created by Yukihiro Matsumoto (Matz) in 1995. It emphasizes developer productivity, elegant syntax, and convention over configuration.

Key Details

• Paradigm: Multi-paradigm (object-oriented, functional, procedural)
• License: Ruby License (dual: Ruby license + BSD-like)
• Runtime: CRuby (MRI), JRuby (JVM), Rubinius (JVM), TruffleRuby (GraalVM)
• Key framework: Ruby On Rails
• Scripting and automation
• DevOps tooling (Bundler, Rake, Capistrano)
• Content management systems
• API backends

Ecosystem

• Gem repository: rubygems.org (over 200,000 gems)
• Performance: JRuby and TruffleRuby provide JVM-based performance improvements
• Comparison: Often compared to Python)
• ruby-lang.org