Joyau is a Ruby interpreter. Ruby is a dynamic, reflective, general purpose object-oriented programming language that combines syntax inspired by Perl with Smalltalk-like features. Ruby originated in Japan during the mid-1990s and was initially developed and designed by Yukihiro “Matz” Matsumoto. It is based on Perl, Smalltalk, Eiffel, Ada, and Lisp (http://en.wikipedia.org/wiki/Ruby_(programming_language)). Joyaus source code is released under the GPL licence.

Changes:

Here is a new version, which fixes some bugs, and which adds support for lots of libraries included in Ruby’s stdlib…

http://forums.qj.net/psp-development-forum/164077-release-joyau-v1-0-2-still-ruby-interpreter.html