Paul Brannan

Ludicrous just-in-time compiler for Ruby 1.8 and 1.9

cout

Caleb Clausen's type-inducting ruby-to-c converter

cout

PX language - parser and runtime

cout

My "Ruby interface for C++ extensions" repo (this is not the one you want, probably -- see http://github.com/jameskilton/rice instead)

cout

A decompiler for ruby code (both MRI and YARV)

cout

A library to provide access to the internals of the Ruby interpreter

cout

Wrapper for the libjit just-in-time compiler library

cout