You can create your slide as a text file. It means that you can version controlyour slide like your Ruby scripts. You can custom your slide style by Ruby.So Rabbit is for Rubyist. You can use RD, Markdown and Wiki format as slide source. Rabbit provides programmer friendly keyboard interface. I...

A unicode aware PDF writing library that uses the ruby bindings to various c libraries ( like cairo, pango, poppler and rsvg ) to do the heavy lifting.

This is a ChupaText decomposer plugin for to extract text and meta-data from PDF. You can use `pdf` decomposer.

电子书工具集.

Foliokit allows you to convert InDesign .folio files to HTML, which can be presented using the Foliokit Reader

Mireru is a keyboard friendly file viewer by Ruby/GTK3. It can handle a variety of file types (Picture, Text, PDF, Video and etc.).

Workspace makes it a breeze to work with files and directories