This gem allows testing frameworks such as Test::Unit, RSpec and Minitest to perform PDF matching tests with the pdf_matcher gem.

The PDF::Reader library implements a PDF parser conforming as much as possible to the PDF specification from Adobe

A nifty gem, in pure Ruby, to parse PDF files and combine (merge) them with other PDF files, number the pages, watermark them or stamp them, create tables, add basic text objects etc` (all using the PDF file format).

Write your resume once in machine-readable YAML format and export it to HTML or PDF using custom themes.

DANFE and DACTE pdf generator for Brazilian invoices and transportation docs.

Sign PDFs digitally in pure Ruby

Copyleaks detects plagiarism and checks content distribution online. Use Copyleaks to find out if textual content is original and if it has been used before. With Copyleaks cloud publishers, academics, and more can scan files (pdf, doc, docx, ocr...), URLs and free text for plagiarism check.

kramdown-converter-pdf uses Prawn to convert a kramdown document to PDF

PDF printer

Slim2pdf renders slim template with data hash and save the results as pdf file.

render pdf files attached to file cards with pdfjs

Gestion complète d'un PFA, pour le produire soit en HTML soit en PDF et calculer les différences entre PFA relatif et PFA absolu.

Helper library to generate PDFs from Rails.

Convert to pdf, compress pdf, join pdf using Ghostscript

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

Grim is a simple gem for extracting a page from a pdf and converting it to an image as well as extract the text from the page as a string. It basically gives you an easy to use api to ghostscript, imagemagick, and pdftotext specific to this use case.

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.

Gem gives approximate normal distribution values(pdf and cdf).

this gem will generate pdf of given html using wkhtmltopdf

A tool to combine PDF tools, OCR tools and image processing into a single interface as both a CLI and a library.