ULMUL
ULMUL is an original Ultra Lightweight MarkUp Language.
You can write TeX-style equations in ULMUL texts.
The ULMUL texts can be converted
into HTML5+MathML with ulmul2html5
command,
into HTML5+MathJax with ulmul2mathjax
and
into LaTeX with ulmul2latex
.
You can also generate
Slidy presentations.
Its library ulmul.rb
is written in Ruby.
Homepage of ULMUL: http://t-nissie.users.sourceforge.net/ULMUL/
Ruby Gem of ULMUL: http://rubygems.org/gems/ulmul
Repository of ULMUL: https://github.com/t-nissie/ULMUL