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JRuby

The Ruby Programming Language on the JVM

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JRuby is an implementation of the Ruby programming language that runs on the Java Virtual Machine (JVM). It is designed to provide high performance, real threading, and access to the JVM's library ecosystem while remaining compatible with Ruby code. The current release targets Ruby 4.0 compatibility, and the project is described as platform independent, easy to install, and straightforward to migrate to.

JRuby is distributed as source archives and executable installers, including tar, zip, and Windows executable packages. The project provides documentation through its wiki, JavaDocs and RDocs, a source repository, mailing lists, an issue tracker, and chat channels. Security vulnerabilities can be reported privately to the project team, which follows a disclosure procedure involving fixes, embargo periods, and release announcements.

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