ISO Schematron Validation

The fabulator library provides a state machine implementation of a core set of semantics for building data-driven applications using a simple XML language coupled with an XQuery-like expression language.

This handles complex document creation from XML for the FASI AMS system.

Create UML Class Diagrams using text

Convert DocX files to html and back using ruby

Xmldsign library for ruby with GOST algorithms

An unofficial ruby library for quickly parsing 23andme raw data files into a plain Ruby structures for quick processing and analysis.