DigiShelf is a multimedia software that has the features of an e-book viewer, a movie player, and a web archiver. It allows you to store and read ebooks, create your own video and website archive.

DigiShelf Features:
1. E-Book Viewer
DigiShelf enables you to read books posted on Project Gutenberg or Aozora Bunko. DigiShelf can also display any text file as a book. You can customize the text composition with settings such as font-family, and font-size. DigiShelf automatically saves the page you're reading and it opens the page next time you open the book. You can also print a book from this software.
2. Video Downloader, Video Player
DigiShelf can download videos from major video sites such as YouTube and others to create your own video collection. DigiShelf can download multiple video files simultaneously and can play a video in FLV or MP4 format.
3. Web Archiver
DigiShelf enables you to save web pages as HTML files or image files on your computer. By archiving a web page, you can record a web site as a reference.

Requirements:
* Adobe Air

Limitations:
* Limited features

The license of this software is Free Trial Software, the price is $13.99, you can free download and get a free trial.