Meta Reports provides a meta language and data structure to create a 'meta' report. This report can then be exported into any format desired. MR provides HTML, PDF, and XLSX exports built in.

Taking a 12-tone row generated from user input, Webern will create the full matrix based upon this row, and then output all 48 possible rows created by that matrix out to a .pdf file using the LilyPond notational language.

Mireru is a keyboard friendly file viewer by Ruby/GTK3. It can handle a variety of file types (Picture, Text, PDF, Video and etc.).

An assortment of things I needed to make a Japanese PDF document with asciidoctor.

A gem to interact with onlinebrief24.de (send PDFs as physical letters/snail mail)

Maruku is a Markdown interpreter in Ruby. It features native export to HTML and PDF (via Latex). The output is really beautiful!

Simple tool for converting payoneer pdf report to csv file

The Flying Saucer gem gives JRuby access to the Flying Saucer XHTML renderer. It also provides Rails integration to simplify sending PDFs generated from XHTML to the browser.

Postino allows you to generate Italian postal payment forms in PDF format using Prawn.

Prawn report is a class repository wich uses prawn gem capabilities to generate PDF documents in order to make it easy to create real life reports.

Prawn itself provides only linear and radial gradients. This is the more advanced shadings that PDF spec defines.

Generate sets of labels or stickers programmatically using Prawn PDF.

create pdf labels sheet defining template and label start point

PrinceXML is a PDF generator that takes html,css input. This gem is a simple wrapper for use with ruby apps

Generats png images of progress bars, useful for web pages or use in pdf files.

Generate PDF/HTML from articles posted on qiita.com. Uses wkhtmltopdf on the back-end which renders HTML using Webkit.

Maruku is a Markdown interpreter in Ruby. It features native export to HTML and PDF (via Latex). The output is really beautiful!

Create chart in PDF

A ruby wrapper for swftool command line tool. http://www.swftools.org/ Flash tool is small and mini tool for creating swf files from pdfs, pictures and fonts and parsing data from flash files.

Converts GitHub Flavored Markdown to awesome looking PDFs! Featuring: Syntax Highlighting, Custom CSS, Covers, Table of Contents and more