JRuby JRuby is an 100% pure-Java implementation of the Ruby programming language. Features A 1.8.6 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) The JRuby community is pleased to announce the release