This is a mountable rails engine to create nice and easy contracts based on pandoc (which uses LaTeX) that includes the GUI and can be used to include the relevant contracts to the system itself or to simply have a WebGUI to make contract templates and ...

Maruku is a Markdown interpreter in Ruby. It features native export to HTML and PDF (via Latex). The output is really beautiful!

An optimized Jekyll plugin providing (nearly) full support of LaTeX.

The core parser for the Bayeux document markup language, optimised for long-form documents. Generators are also provided for HTML, LaTeX and PanDoc

The GEM uses pdftex to combine all JPG files in a directory into a PDF document. It needs a properly installed LaTeX/pdflatex distribution.

http://devel.softeng.ox.ac.uk/trac/softeng/wiki/Utilities/RakeLatex

Kramdown extension for math-heavy document. It provides theorem environments, and easy references to those environments as well as to equations and section headers. Moreover, a bibliography section can be generated from a BibTeX file, and an flexible and easy mean of citing bibliographical entrie...

My default setup for writing text documents, utilizing pandoc, erb, markdown and latex

Ruby DSL for LaTeX

This library allows to easily generate LaTeX content (e.g., tables) directly from Ruby.

hiki2latex is a format converter from hikidoc to latex, using hikidoc.

Gem for creating a LaTeX expressions from JavaScript ones.

LaTeX Project Build Tool

Framework for rendering PDFs using LaTeX

Build LaTeX documents.

Compile ruby into latex.

A Lita handler for rendering LaTeX

Nanoc filter to convert latex files to pdf using latexmk

A library that provides uncertainty and error propagation calculations for floats. It displays the appropriate number of digits when a number is outputted, can convert to latex using different formats.

hatena to Latex