Extract tables from PDF as a structured info. Uses ghostscript to print pdf to image, then recognizes table separators optically. No OpenCV or other heavy dependencies

Adds simple HTML snippets into Prawn-generated PDFs. All elements are layouted vertically using Prawn's formatting options. A major use case for this gem is to include WYSIWYG-generated HTML parts into server-generated PDF documents.

Uses GithubStats to grab Github contributions scores and converts that into an SVG

Universal S-expression parser with specific support for Common Lisp, Scheme, and RDF/SPARQL

A Ruby library for prying open files you can convert to a previewable format, such as video, image and audio files. It includes a number of parser modules that try to recover metadata useful for post-processing and layout while reading the absolute minimum amount of data possible.

Glimmer DSL for SWT (JRuby Desktop Development Cross-Platform Native GUI Framework) is a native-GUI cross-platform desktop development library written in JRuby, an OS-threaded faster JVM version of Ruby. It includes SWT 4.30 (released on December 1, 2023). Glimmer's main innovation is a declarati...

Prawn::Emoji is an extention that adds Emoji support to Prawn

Ruby version of the calculations from various books like Celestial Calculations by J. L. Lawrence, Practical Astronomy with your Calculator or Spreadsheet by Peter Duffett-Smith and Jonathan Zwart, or Astronomical Algorithms by Jean Meeus

Red Colors provides a wide array of features for dealing with colors. This includes conversion between colorspaces, desaturation, and parsing colors.

An implementation of a linear regression machine learning algorithm implemented in Ruby. The library supports simple problems with one independent variable used to predict a dependent variable as well as multivariate problems with multiple independent variables to predict a dependent variable. ...

A Ruby implemenation of the well-known graph library called "networkx".

Mindee's fork of Origami, a pure Ruby library to parse, modify and generate PDF documents.

Perfect Shape is a collection of pure Ruby geometric algorithms that are mostly useful for GUI manipulation like checking viewport rectangle intersection or containment of a mouse click point in popular geometry shapes such as rectangle, square, arc (open, chord, and pie), ellipse, circle, polygo...

A thin wrapper above Prawn that makes it easier to build compentized PDFs

Prawn::DisableWordBreak is an extension for Prawn that disables word-breaking by character such as space and hyphen.

Ruby library for creating Swiss QR-Bills as PDF with Prawn

SolidRuby is a framework for programming OpenScad models in Ruby. \ Inspired by CrystalScad and SolidPython, based on CrystalScad and RubyScad

This gem is a Ruby implementation of the Schulze voting method (using Floyd–Warshall algorithm), a type of the Condorcet voting methods.

handle Polyline object on ActiveRecord

Administrador - The rails administration interface.