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The Best of the JVM:

High performance
Real threading
Vast array of libraries

It's Just Ruby:

Ruby 1.8.7 compatible now
Ruby 1.9 compatible soon

Platform Independent:

Easy to install
Easy migration
No hassles

Download JRuby

Extract JRuby into a directory.
Add that directory's bin subdirectory to the end of your path.
Test it: jruby -v

detailed instructions

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RECENT NEWS

JRuby 1.5.2 Released

The JRuby community is pleased to announce the release of JRuby 1.5.2.

Homepage: http://www.jruby.org/
Download: http://www.jruby.org/download

JRuby 1.5.2 is a minor follow-up release to address a few file descriptor and class loading leaks. There is also a security fix for users of Webrick (see http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2010-0541). All users of JRu...

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JRuby

100% Pure-Java Implementation of the Ruby Programming Language

The Best of the JVM:

It's Just Ruby:

Platform Independent:

RECENT NEWS

JRuby 1.5.2 Released

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