Pure Ruby implementation of the Eclipse Layout Kernel (ELK) providing automatic layout of node-link diagrams. Supports all ELK algorithms.

Fontisan provides font analysis tools and utilities. It is designed as a pure Ruby implementation with full object-oriented architecture, supporting extraction of information from OpenType and TrueType fonts (OTF, TTF, OTC, TTC). The gem provides both a Ruby library API and a command-line interface, with structured output formats (YAML, JSON, text).

Parser and generator for OASIS Genericode

Concept models for terminology glossaries conforming ISO 10241-1.

XHTML 1.1 Strict, Transitional, and Frameset element models for Lutaml

Library of Congress MODS / MADS parser

ietf-data-importer offers reliable offline access to metadata for IETF working groups and IRTF research groups. This provides a dependable alternative to the official resources at https://tools.ietf.org/wg/ and https://irtf.org/groups, which may experience downtime or connectivity issues.

Ruby gem extending the SmartSDU Core Ontology with ISO/IEC 80000-specific domain classes: Quantity, Unit, and MathConcept. Includes a Rake task for generating per-part Turtle and JSON-LD exports from YAML source data.

Library of Congress MODS / MADS parser

Hypertext Application Language (HAL) implementation for Lutaml model

Parse JSON Schema files into LutaML model objects and generate SPA documentation sites

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

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.

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.

NISO JATS format parser