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.

Library to access register data from Paneron.

PngConform provides a comprehensive PNG, MNG, and JNG file validation library in pure Ruby. It validates file structure, chunk validity, CRC checksums, zlib compression, and profile conformance. Built with a layered architecture using BinData for binary parsing, Lutaml::Model for domain models, and Thor for CLI. Supports PNG baseline, MNG-VLC, MNG-LC, and JNG profiles with detailed validation reporting compatible with pngcheck output.

Ruby model accessor for prosereflect document trees.

Retrieve bibliographic information of ASME standards and codes.

A Ruby library for parsing and generating ReqIF data

Library to work with Metanorma document revision history.

IETF RFC XML parser and generator

Library to parse and build RELAX NG (RNG) and RELAX NG Compact Syntax (RNC) schemas.

Ruby gem providing the SmartSDU Core Ontology information model. Includes Entity, Provision, TermEntry, PublicationDocument, SKOS taxonomy instances, and RDF namespace modules. Built on lutaml-model with Turtle and JSON-LD serialization support.

A benchmarking suite for comparing performance of various serialization libraries in Ruby, including XML, JSON, and TOML parsers/generators.

Sirena is a pure Ruby implementation of Mermaid diagram rendering. It parses Mermaid syntax and generates SVG output using Parslet grammars and ELK layout. Supports 24 diagram types: flowcharts, sequence, class, state, ER, C4, block, architecture, Gantt, timeline, Git graph, mindmap, Kanban, user journey, pie, quadrant, radar, XY charts, requirement, Sankey, packet, treemap, info, and error displays.

Library to work with NISO STS and ISOSTS.

Utility for SUMA (STEP Unified Model-Based Standards Architecture)

SVG profile conformance checker for Ruby.

Parse, manipulate, and serialize TBX documents using the ISO 30042:2019 standard.

Parser for the TERMIUM Plus terminology database of the Government of Canada