SnapDB - Simple, flat-file database/list app.
Scribd Audiobooks - Unlimited access to 30,000 audiobooks
sPlaylistMaker - sPlaylistMaker allows you to easily create .m3u and .m3u8 playlists
BookPlayer - Player for your DRM-free audiobooks. Contribute to TortugaPower/BookPlayer development by creating an account on GitHub.
Playlist Creator - At oddgravity you find useful tools for Windows and exciting games for the small deflection in between. All programs are Freeware and can be downloaded directly from the homepage.
Channels by Audible - Follow handcrafted interest-based playlists.