Parses LML (.lml / .lutaml) text syntax into UML/LML domain models. Supports two layers: model definitions (classes, enums, attributes) and data instances (collections, imports, exports).

Provides a unified store interface for Lutaml::Model objects with model registry, polymorphic support, composite relationships, and multiple storage backends (memory, filesystem, SQLite).

Provides UML domain model classes, a repository pattern for querying and presenting UML documents, LUR (.lur) package serialization, and a static site generator with a Vue.js SPA frontend. Use the companion `ea` gem to parse Sparx EA files into Lutaml::Uml::Documents.

A Ruby library for representing and processing Metanorma document XML, providing a comprehensive model for standards documents with support for various metadata, content blocks, and structured markup.

A typed node tree (blocks, inlines, marks) projected from Metanorma document models, with serializers and an output pipeline. metanorma-document and metanorma-standoc register their model classes; the format is the wire contract for renderers and tooling (the SMART document reader, the HTML JS re...

The MN 116 wire contract as code: typed unit schema, bundle layout with manifest verification, hash-addressed assets, edition diffs, interlingual alignment, generated JSON Schemas, and the reference MCP server. metanorma-document composes this gem to export; polyglot consumers validate against th...

Library to process and handle default Metanorma Tastes, providing configuration-driven customization of Metanorma flavours.

Miscellaneous tools to work with Metanorma output.

Parser and generator for NIST Metaschema

MathML parser and builder used in Plurimath.

Unified interface for discovering and managing Metanorma versions from Gemfile (Docker), Snap, Homebrew, and Chocolatey sources. Provides mnenv CLI command for querying version information.

Library to work with OGC ModSpec.

Newsmlg2 provides a lutaml-model-based Ruby object model for IPTC NewsML-G2 (NAR). Parse, manipulate, build and serialize NewsML-G2 XML with full round-trip fidelity, including a builder DSL.

NISO JATS format parser

Library for manipulation of OASIS Exchange Table Model XML.

OGC GML data model parser

OMML (Office Math Markup Language) parser and builder used in Plurimath.

Omnizip is an extractor/compressor library that implements a comprehensive set of data compression algorithms and archive formats, in pure Ruby. Supports LZMA, ZIP, 7z, RAR, XZ, CPIO, ISO 9660, PAR and more.

Cdd is a pure-Ruby library that models the IEC Common Data Dictionary (IEC 61360 / CDD ontology), supports power-type semantics where instances can themselves be used as classes, and imports the Parcel Excel workbook format (both ParcelMaker .xlsx and the legacy 6-file .xls export layout) into a ...

A Ruby gem for working with pharmacopoeia data using the Open Pharmacopoeia ontology. Supports multiple publishers including ChP, JP, Ph.Int., API, HKCMMS, and more.