A Ruby frontend to the pdftk binary, including FDF and XFDF creation. Also works with the PDFTK Java port. Just pass your template and a hash of data to fill in.

asciidoctor-pdf CJK extension

PdfMatcher is a gem to compare two PDFs and output the differences using diff-pdf

Convert office documents to PDF using LibreOffice.

Utility for converting markup files to pdf files. Useful for reports etc.

A native client library for the DocRaptor HTML to PDF/XLS service.

Prawn::Icon provides various icon fonts including FontAwesome, PaymentFont and Foundation Icons for use with the Prawn PDF toolkit.

PDF::Toolkit provides a simple interface for querying and unpdation PDF metadata like the document Author and Title.

Prawn/QRCode simplifies the generation and rendering of QRCodes in Prawn PDF documents.

Report Abstract Interface. Creates text, html, pdf and rtf output, based on a common framework.

Export list of html or xhtml files to pdfs with 'wkhtmltopdf'

Integrates PDF generation into a Tilt flow

ctioga2 is a command-driven plotting program that produces high quality PDF files. It can be used both from the command-line and using command files (at the same time). It is based on Tioga (http://tioga.sourceforge.net).

Combine multiple pdf files into a single file with combined table of content for quick navigation

Defines matchers for testing PDFs generated by jasper-rails

Sinatra extension to add support for pdf rendering with Prawn templates.

Transform HTML into PDF/PNG/JPEG using Google Puppeteer/Chromium

Scrape text from common file formats (.pdf,.doc,.docx, .sketch, .txt) with a single convenient command.

Easily create PDF and Excel files from html in your Ruby application using the DocRaptor API.

Payday is a library for rendering invoices. At present it supports rendering invoices to pdfs, but we're planning on adding support for other formats in the near future.