Ruby Ghostscript Engine is a document creation and conversion API, support(PDF,PS,GIF,TIF,PNG,JPG...). It uses the GhostScript framework for the format conversion, utilizes EPS templates and is optimized to work with larger documents.

This gem uses OpenOffice and pdftk to convert, split, join, fill and copy files. It may be usefull if you have many documents to work with. It is not realy fast solution and it depend on istalled software

Statosio generate charts in a .svg format. Works with prawn-svg to generate .pdf documents.

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

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.

A library for turning code snippets into slides. Automatically turn your source code into syntax-highlighted PDFs and PNGs. Take the tedium out of building your presentation's slide deck!

A Simple(ish) Ruby System for creating print and web ready PDF files.

For fetching citation list in paper, it is very exhausted process; open pdf file, scroll page harder, copy and paste google scholar. This gem library is specify to parse flat-citation list to strucutured format such as BiBTex to easy to refer to your paper, survey paper and so on.

Easily convert HTML to PDF in your Ruby app using Caterpillar API.

A gem to write pdf using prawn

Produce nicely formatted PDFs of story cards for printing

Box View converts PDF and Office documents to HTML thus enabling these files to be easily embedded into web and mobile applications.

Convert HTML to PDF

Blobsterix is a transcoding, caching, storage server that can transform your blobs (images, pdf, ...) at request time.

git-scribe is a workflow tool for starting, writing, reviewing and publishing multiple forms of a book. it allows you to use asciidoc plain text markup to write, review and translate a work and provides a simple toolkit for generating common digital outputs for publishing - epub, mobi, p...

Render latexmath blocks and inline macros to PDF/SVG/PNG assets using your local LaTeX toolchain.

Workspace makes it a breeze to work with files and directories

Applies ERB template processing to a Latex file and compiles it to a PDF. Supports layouts, partials, and string escaping. Also supplies a Guard task to watch for modifications and auto-building files.

Based on http://github.com/metaskills/pdf-writer/. A pure Ruby PDF document creation library.