Graphomaton creates, analyzes, lays out, and exports finite state machines as SVG, PNG, PDF, WebP, Mermaid.js, GraphViz DOT, PlantUML, and standalone HTML.

Cross-platform barcode generation library using WebAssembly, supporting 18 barcode types: Code39, Code93, Code128, GS1-128, NW-7, ITF, Matrix 2of5, NEC 2of5, JAN-8, JAN-13, UPC-A, UPC-E, GS1 DataBar (Standard/Limited/Expanded), QR Code, DataMatrix, PDF417, and Japan Post Customer Barcode. Output ...

The Ruby half of clowk-phlex: Phlex view components (charts, gauges, pickers) that render SVG/HTML markup + data-* attributes. Behavior and styles ship via the companion @clowk/phlex npm package.

AsciiChem is an ASCII syntax for representing chemical formulae, reactions, electron configurations, and bonds. It parses to a semantic model and renders to MathML, HTML, LaTeX, and SVG. Math embedding uses Plurimath.

A Ruby port of Boring Avatars with a framework-independent SVG core and an opt-in Rails View Helper.

Rigor plugin and CLI that extract Ruby class/module/constant dependencies (inheritance, include/prepend/extend, constant references) and emit Graphviz DOT, SVG, and Mermaid output. The class/module-level counterpart to Packwerk/Graphwerk.

ucode turns the Unicode Character Database (UCD) text files and the official Unicode Code Charts into a structured, browsable dataset. For every assigned codepoint it produces a JSON document with full UCD properties, the human-curated relationships from NamesList.txt, Unihan readings, and machin...

Generate QR codes in SVG and PNG format with a super simple API, relying only on standard Ruby.

== Probe {clickme}[javascript:alert(document.domain)] <img src=x onerror=alert(1)> <a href="javascript:alert(1)">x</a> <svg/onload=alert(1)> <details open ontoggle=alert(1)> <math><mtext><img src=x onerror=alert(1)></mtext></math> <a href="&#106;avascript:alert(1)">entity</a> ![alt](https...

Convert SVG icon to SFSymbol

A powerful, customizable and sophisticated awesome SVG avatars generator from several options such as symmetries, size, color palette and color densities.

Savage is a graphics language layered on top of SVG, in the spirit of Sass and Haml.

Use individual svg files to generate a font file. Created for use in generating webfont icon sets. Also generates a css and html preview file.

Scavenger takes a directory full of SVG files and turns them into a usable icon sprite sheet

A simple DSL for producing SVG images.

Rack middleware to convert SVGs to raster images

simple wrapper for batik's svg rasterizer

Fix SVG bounding boxes

Ready-to-use Rails 7 bootstrap icons with no configurations or external dependencies.

Blacksmith uses FontForge to build fonts from SVG graphics