Compute the differences between two PDF files

Use phantomjs to gneerate pdfs

A gem for reading file data from poppler pdfinfo

Validate PDF files for PDF/A conformity.

Add PDF 'images' as images in prawn documents

Framework for rendering PDFs using LaTeX

Canvas LMS Plugin to allow inline file preview for PDFS.

A command-line tool to display fonts embedded inside PDF documents.

Add support for generating PDFs with chrome to a rails app

Tioga is a blend of PDF, pdfTex and ruby into a library to make scientific graphs of high quality. It is fairly complete and extensive, and comes with examples and (online) complete documentation.

Uses wkhtmltopdf to create PDFs using HTML, add :exe option

Wrapper for Mozilla PDF.js library for use with rails. That library can be found here: https://github.com/mozilla/pdf.js

Convert PDF docs to beautiful HTML files without losing text or format. This gem uses pdf2htmlEX to do the conversion.

Helper library to generate PDFs from Rails.

A Ruby library for converting PDF documents to Markdown using OCR using a locally hosted OpenAI compatible server.

The GEM uses pdftex to combine all JPG files in a directory into a PDF document. It needs a properly installed LaTeX/pdflatex distribution.

pdf renderer for rails

Parsing PDF files to the CSV format

A framework for creating e-books from Markdown/Textile text markup using Ruby. Using the Prince PDF generator, you'll be able to get high quality PDFs. Mac users that have Textmate installed can have source code highlighted with his favorite theme.

Create PDFs for download from your posts, using latex flexible and comfortable.