Ruby is... A dynamic, open source programming language with a focus on simplicity and productivity. It has an elegant syntax that is natural to read and easy to write. Download Ruby or Read More...

See the Installation page for details on building Ruby from source. If you have an issue compiling Ruby, consider using one of the third party tools mentioned above.

Ruby Documentation Welcome to the official Ruby programming language documentation. Getting Started New to Ruby? Start with our Getting Started Guide. Core Classes and Modules Explore the …

The Koans walk you along the path to enlightenment in order to learn Ruby. The goal is to learn the Ruby language, syntax, structure, and some common functions and libraries.

Ruby, as a language, has a few different implementations. This page has been discussing the reference implementation, in the community often referred to as MRI (“Matz’s Ruby Interpreter”) or CRuby …

Ruby Documentation Welcome to the official Ruby programming language documentation. Getting Started New to Ruby? Start with our Getting Started Guide. Core Classes and Modules Explore the …

Ruby comes with a program that will show the results of any Ruby statements you feed it. Playing with Ruby code in interactive sessions like this is a terrific way to learn the language.

Ruby Documentation Welcome to the official Ruby programming language documentation. Getting Started New to Ruby? Start with our Getting Started Guide. Core Classes and Modules Explore the …

Jul 24, 2025 · Ruby 3.3.9 has been released. This release includes the following security fix of default gems: CVE-2025-24294: Possible Denial of Service in resolv gem and the following fixes for build …

Ruby 3.1 (End of Support 2025-04) Ruby 3.0 (End of Support 2024-04) Ruby 2.7 (End of Support 2023-04) Ruby 2.6 (End of Support 2022-04) Ruby 2.5 (End of Support 2021-04) Ruby 2.4 (End of Support …