Cozy

Cozy is a modern, free and open-source audio player for Linux. It lets you import your audiobooks by simply dragging folders and browse them in a user-friendly interface. You can search and sort audiobooks by author, narrator and title, remember playback position. It features a sleep timer, adjustable playback speed for each book separately. Offline mode allows you to store audiobook in the internal memory (if you store your audiobooks on an external or network drive) - it's ideal for listening on the go. Cozy supports mp3, m4b, m4a (aac, ALAC, etc.), flac, ogg, and DRM-free wav. It intedrates with multimedia keys and playback information for the desktop environment.