Legacy mirror of Darwin Kernel. Replaced by https://github.com/apple-oss-distributions/xnu

Nokogiri (鋸) makes it easy and painless to work with XML and HTML from Ruby.

The Rubinius Language Platform

The Mongrel2 Web Server Project

Ruby Optimized XML Parser

Onigmo is a regular expressions library forked from Oniguruma.

Ruby/Numo::NArray - New NArray class library

FFI for Emacs

Liberty Eiffel programming language

A simple VM in C

Portable Forth Environment - full implementation of Standard Forth in portable C, allowing cross-compiling of binary Forth extension modules