Markdown Parawn is a library and an executable script which allow you to generate a PDF from any valid Markdown.

CosSinCalc is a web application able to calculate the variables of a triangle. The live site is located at http://cossincalc.com/. This is an offline version of the calculator. You can use the included command line utility to generate a PDF page containing all the results, formulae and a drawing...

Surpass is writing (and eventually reading) excel workbooks in pure Ruby. Surpass is based on xlwt (and pyExcelerator). For comprehensive documentation, please refer to the PDF manual which is available from http://surpass.rubyforge.org or in the root directory of the source code repository. If...

Automatically generate Word documents and PDFs from Jekyll pages with configurable options, Unicode cleanup, and auto-injected download links.

RubyPlots can be set loose on a directory of datafiles or a singluar datafile. It uses the file extension to determine a datafile of interest and, using the Latex PgfPlots library, creates a single pdf plot for each data file. See the Homepage for questions. Enjoy!

This Ruby extension implements a DataMatrix encoder for Ruby. It is typically used to create semacodes, which are barcodes, that contain URLs. This encoder does not create image files or visual representations of the semacode. This is because it can be used for more than creating images, ...

A wrapper for the PrinceXML PDF generation library based on article by Seth from Subimage Interactive at http://sublog.subimage.com/2007/05/29/html-css-to-pdf-using-ruby-on-rails

Some methods to simplify PDF creation with Prawn

Simple PDF maze generator, based on spanning trees. Can generate one or many mazes of different complexities.

Generate PDF, ePub, and Mobi eBooks

UrlReport fetches a webpage, extracts headings, links, and images, and generates a PDF report.

Bulk rename multiple ebook files (pdf, epub, mobi) using embedded metadata if available (pure ruby implementation)

Simplified access to the easypdfcloud.com RESTful API