XRECODE - XRECODE can convert multiple audio files in parallel by taking full advantage of multi-core CPU.
calibre - Ebook manager, viewer & converter
Freemake Audio Converter - Audio Converter is a free to download file converter tool software developed by Freemake. Freemake has developed many free tools in the past, such as the popular Freemake Video Converter. Read more about Freemake Audio Converter.
FBReader - FBReader is an e-book reader for various platforms. Features:
Audiograbber - Audiograbber software is a famous freeware platform for audio extraction or conversion for Microsoft Windows. The software was first developed by Jackie Franck in the mid-1990s. Read more about Audiograbber.
Google Play Books - Google Play Books lets you search, preview, and buy millions of books using Google Book Search.