Thriving 
JV Free XML Toolkit
https://karlkauc.github.io/FreeXmlToolkit/ ↗ HEALTH ? 100 / Healthy
Thriving JV // readme
FreeXmlToolkit - Your Complete XML Workstation
FreeXmlToolkit is a free, open-source desktop workstation for XML: edit, validate, transform, debug and document XML, XSD, XSLT, XQuery, Schematron and JSON in one application - on Windows, macOS and Linux.
⬇ Download the latest release – Windows (.exe/.msi/portable), macOS (.dmg/.pkg, Apple Silicon & Intel), Linux (.deb/.rpm/portable) – or via scoop install freexmltoolkit / brew install --cask karlkauc/tap/freexmltoolkit (details). Full guide: karlkauc.github.io/FreeXmlToolkit.
Highlights
Supported Standards
| Area | Standard and version | Engine |
|---|---|---|
| XML | XML 1.0 (Fifth Edition), XML 1.1, Namespaces in XML, OASIS XML Catalogs 1.1 | Xerces 2.12 |
| Schemas | XSD 1.0 and 1.1 (assertions, type alternatives, open content, xs:override), DTD, RELAX NG (XML and compact syntax) | Xerces (XSD 1.1 build), Jing, Trang |
| Business rules | ISO Schematron (query bindings xslt2 and xslt3), Schematron Quick Fixes (SQF) | ph-schematron / SchXslt on Saxon |
| … |