Awesome Schematron

A curated list of awesome Schematron tools and applications.

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Inspired by the sheer number of other 'awesome' lists out there.

Specifications

ISO Schematron 3rd Edition - ISO/IEC 19757-3:2020 - Information technology - Document Schema Definition Languages (DSDL) - Part 3: Rule-based validation using Schematron. For sale from ISO or a standards reseller near you.
ISO Schematron 2nd Edition - ISO/IEC 19757-3:2016 - Information technology - Document Schema Definition Languages (DSDL) - Part 3: Rule-based validation - Schematron. Freely available.
ISO Schematron 1st Edition - ISO/IEC 19757-3:2006 - Information technology -- Document Schema Definition Language (DSDL) -- Part 3: Rule-based validation -- Schematron. Freely available.
Schematron Quick Fixes -- Schematron Quick Fixes Specification

Hedler, Marko, Manuel Montero Pineda, and Nico Kutscherauer. “Schematron: Effiziente Business Rules für XML-Dokumente.” Heidelberg: dpunkt, 2011.
Jelliffe, Rick. “The Schematron Assertion Language 1.6” Online, October 1, 2002.
Maus, David. “Ex-Post Rule Match Selection: A Novel Approach to XSLT-Based Schematron Validation.” In XML Prague 2019 Conference Proceedings, 57–65. Prague, Czech Republic, 2019.
Maus, David. “An Introduction to Schematron and Schematron QuickFix.” Presented at the TEI Conference and Member’s Meeting 2019 (TEI 2019), Graz, Austria, 16–22 September 2019, Graz, September 16, 2019.
Maus, David. “Schematron Report Customization.” Webinar presented at the Markup UK Solidarity Edition, June 10, 2020.
Maus, David. “What’s in a Schematron?” In Markup UK 2021 Proceedings. Online, 2021.
Nadolu, Octavian, and Nico Kutscherauer. “Schematron QuickFix” In XML Prague 2016 Conference Proceedings, 81–98. Prague, Czech Republic, 2016.
Nadolu, Octavian. “Taking Schematron QuickFix To The Next Level.” In Markup UK 2019 Proceedings, 125–34. London, UK, 2019.
Add your Schematron book, paper, or presentation here

Implementations of Schematron:

SchXslt - An XSLT-based Schematron processor.
ml-schematron - A schematron.xqy module that will allow you to perform Schematron validation with MarkLogic Server
ph-schematron - Java library to validate XML documents according to Schematron rules, using 2 different engines - additionally you can validate Schematron itself. Ships with Maven plugins and an Ant task (since 4.3.0).
schematron-basex - XQuery module to use ISO Schematron in BaseX.
schematron-exist - XQuery module to use ISO Schematron in eXist.
schematron - "skeleton" XSLT implementation of ISO Schematron. No longer maintained.
Add your Schematron software here

focheck - Validates XSL-FO property value expressions in attributes by parsing expressions using parser written in XSLT 2.0 then running assert and report on results.
org.doctales.terminology - DITA-OT plugin and authoring framework for terminology management, that generates Schematron termchecker rule sets for DITA (Demo) and XLIFF (Demo) files from DITA <termentry> topics.
Add your Schematron application here