Invisible XML is a language and set of technologies for making the implicit structure of data explicit as XML markup. It allows you to write a declarative description of the format of some text and then leverage that format to represent the text as structured information.

A Ruby implementation of the Lox programming language. Lox is a dynamically typed, object-oriented programming language that features first-class functions, closures, classes, and inheritance.

Skeem is a Scheme language interpreter implemented in Ruby.

A compiler and library that transforms highly readable Simple Regex Language patterns into regular expressions.

A toolkit for the Zenlish language (a simplified English language).