Features

• A 1.8.2 compatible Ruby interpreter written in 100% pure Java
• Most builtin Ruby classes provided
• Support for interacting with and defining java classes from within ruby
• Bean Scripting Framework (BSF) support
• Distributed under a tri-license (CPL/GPL/LGPL)

News

2006-03-27: JRuby 0.8.3 released

This is a huge release. Besides making irb (bin/jirb) work, we are almost to the point of having Ruby on Rails and RubyGems working. On top of that, java integration support is much much faster. In a simple swing demo we have reduced startup time from 2 minutes down to 5 seconds. Many fixes across the boards. The iterative evaluator has also made great progress. See the release notes for more information and download it here.

2005-09-29: JRuby 0.8.2 released

This release fixes many problems. It also allows embedders to see Arrays and Hashes as java.util.List and java.util.Maps. See the release notes for more information and download it here.

2005-09-12: Redesigned web-site

In anticipation of the 0.8.2 release, the website has been revamped. We have a new logo and hopefully an easier to update set of web pages.

2005-04-11: JRuby 0.8.1 released

This release fixes many small problems and adds a couple of new features to Java integration...See the release notes for more information and download it here.

2005-01-23: JRuby 0.8.0 released

JRuby has hit its next milestone

2004-03-12: JRuby 0.7.0 released

After a long nap JRuby is under development again