Ruby has a vast collection of libraries called gems, supporting everything from web development to data processing. With mature frameworks like Rails and comprehensive toolchains, you can …

Ruby is a general-purpose programming language. It was designed with an emphasis on programming productivity and simplicity. In Ruby, everything is an object, including primitive …

Oct 28, 2025 · A full-stack web application framework written in Ruby, following the Model View Controller pattern, that includes everything you need to build modern database-backed web apps.

Sep 4, 2025 · Ruby is a popular backend programming language, widely used for building modern applications and services. It makes development faster, easier, and more productive …

Fast, searchable Ruby documentation for core and standard libraries. Plus, links to tutorials, guides, books, and related sites.

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's design forces all instance variables to be private, but also provides a simple way to declare set and get methods. This is in keeping with the idea that in Ruby one never directly …

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 is ranked among the top 10 on most of the indices that measure the growth and popularity of programming languages worldwide (such as the TIOBE index). Much of the growth is …

Welcome to the official Ruby programming language documentation. New to Ruby? Start with our Getting Started Guide. Explore the essential classes and modules: String - Text manipulation …