Great Downloader easy to use can convert into multiple file formats. Fast and impressive
Audiobook Builder - Audiobook Builder is a software that enables users to turn their audio files into audiobooks which they can sue then on their iPhone, iPad, or any other Apple devices.
Video DownloadHelper - Browser extension to download videos from the Web
Audiobook Converter - AudioBookConverter simple and lightweigh application to convert set of mp3 files to single m4b file to be played on i-device AudioBookConverter support conversion of most of popular formats to m4b, it also handle existing m4b files and process them.
youtube-dl-gui - A cross platform front-end GUI of the popular youtube-dl written in wxPython.
Free Audiobooks - Free Audiobooks is a digital audiobooks library app that comes up with an extensive collection of more than 14000 different audiobooks to help you in boosting up your knowledge right at your fingertips.
Youtube Video and Audio Downloader - Download YouTube videos in all available formats and extract the original audio files.