Contrek is a Ruby gem with a C++ core for fast contour tracing and edge detection in PNG images. It extracts polygonal contours from bitmap shapes, enabling image processing, shape analysis, and raster-to-vector workflows such as PNG to SVG conversion.

Postsvg provides a pure Ruby library for converting PostScript (PS) and Encapsulated PostScript (EPS) files to clean, standards-compliant Scalable Vector Graphics (SVG) format output.

A view helper for Ruby on Rails that renders inline SVG icons from the Material Design Icons collection with over 7,000 icons

A command-line tool and library to convert Mermaid diagram definitions into SVG files.

An Action View extension for using inline SVGs

A wrapper for Font-Awesome Pro svg files

Ruby port of XsdVi - transforms W3C XML Schema instances into interactive SVG diagrams

RailsGlyphs is an essential SVG icon library built exclusively for Ruby on Rails projects!

A rails helper that makes including svg Forticons simple.

gnuplot wrapper for ruby, especially for plotting roc curves into svg files

Graphomaton is a lightweight Ruby library for creating and visualizing finite state machines. It supports multiple output formats including SVG, Mermaid.js, GraphViz DOT, and PlantUML, making it easy to generate professional automaton diagrams.

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.