Computers

By David Thomas and Andrew Hunt. Offers a beginner guide to start with the language.

Describes how to embed Ruby interpreter in C++, gives skeleton to build on, treats concepts of embedding, advanced topics like SWIG. Descriptions, code, diagrams, links, news.

A tutorial to learn the language's syntax, structure, and some common functions and libraries by making tests pass.

Ruby documentation project: links and downloads of programming information, on many aspects of Ruby.