Ruby Raven

Ruby has a vast collection of libraries called gems, supporting everything from web development to data processing. 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.

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? 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.

Operators in ruby, operators such as +, are defined as methods on the class. Ruby programming language documentation ruby master ruby 4.0 ruby 3.4 ruby 3.3 ruby 3.2 Dec 25, 2025ruby was first developed by matz (yukihiro matsumoto) in 1993, and is now developed as open source.