Expressir ("EXPRESS in Ruby") is a Ruby parser for EXPRESS and a set of tools for accessing EXPRESS data models.

LutaML creating data models in Ruby

Ammitto retrieves sanctioned people, organizations, vessels, and aircraft from various international sources including EU, UN, US, World Bank, and more.

Canon provides canonicalization and pretty-printing for various serialization formats (XML, HTML, JSON, YAML), producing standardized forms suitable for comparison, testing, digital signatures, and human-readable output.

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.

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.

SVG profile conformance checker for Ruby.