Ruby

Ruby is an interpreted, high-level, general-purpose programming language which supports multiple programming paradigms. It was designed with an emphasis on programming productivity and simplicity. In Ruby, everything is an object, including primitive data types. It was developed in the mid-1990s by Yukihiro "Matz" Matsumoto in Japan.

Paradigm	Multi-paradigm: functional, imperative, object-oriented, reflective
Designed by	Yukihiro Matsumoto
Developer	Yukihiro Matsumoto, et al.
First appeared	1995; 28 years ago
Stable release	3.2.2 [1] / 30 March 2023; 2 months ago
Typing discipline	Duck, dynamic, strong
Scope	Lexical, sometimes dynamic
Implementation language	C
OS	Cross-platform
License	Ruby License
Filename extensions	.rb
Website	ruby-lang.org
Major implementations	Major implementations
Ruby MRI, TruffleRuby, YARV, Rubinius, MagLev, JRuby, MacRuby, RubyMotion, Mruby, IronRuby	Ruby MRI, TruffleRuby, YARV, Rubinius, MagLev, JRuby, MacRuby, RubyMotion, Mruby, IronRuby
Influenced by	Influenced by
Ada,[2] Basic,[3] C++,[2] CLU,[4] Dylan,[4] Eiffel,[2] Lisp,[4] Lua, Perl,[4] Python,[4] Smalltalk[4]	Ada,[2] Basic,[3] C++,[2] CLU,[4] Dylan,[4] Eiffel,[2] Lisp,[4] Lua, Perl,[4] Python,[4] Smalltalk[4]
Influenced	Influenced
Clojure, CoffeeScript, Crystal, D, Elixir, Groovy, Julia,[5] Mirah, Nu,[6] Ring,[7] Rust,[8] Swift[9]	Clojure, CoffeeScript, Crystal, D, Elixir, Groovy, Julia,[5] Mirah, Nu,[6] Ring,[7] Rust,[8] Swift[9]