Phoenixml 

XQuery 4.0 query engine for PhoenixmlDb

XSLT 4.0 transformation engine for PhoenixmlDb

Core types, XDM data model, and interfaces for PhoenixmlDb document database

Command-line XQuery 3.1/4.0 processor — query XML documents from the terminal

Command-line XSLT 3.0/4.0 processor — transform XML documents from the terminal

Built-in extensions for the Crucible documentation generator

MCP server providing XSLT spec reference lookup and XSLT/XPath execution

Static documentation generator powered by XSLT 4.0 — Markdown to XML to HTML

MCP server providing XQuery spec reference lookup and XQuery/XPath execution

Open-source XSD inference and JSON/CSV/XML conversion for .NET. Observes documents to produce progressively-refined schemas; supports schema-aware XML↔JSON round-trip.

Foundation library for the Phoenixml family of XML-aware tools — document model, undo/redo, editor primitives, account/license/update plumbing.