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 combine …

Ruby is a pinkish -red to blood-red gemstone, a variety of the mineral corundum (aluminium oxide). Ruby is one of the most popular traditional jewelry gems and is very durable. Other varieties of gem …

What is Ruby? Ruby is an interpreted object-oriented programming language often used for web development. It also offers many scripting features to process plain text and serialized files, or …

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

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 data types. It was …

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.

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 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 follows the influence of the Smalltalk language by giving methods and instance variables to all of its types. This eases one’s use of Ruby, since rules applying to objects apply to all of Ruby.

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 and …