Cozy is a free and open source audiobook player for linux and MacOS. Using this you can manage you audiobooks like import, browse and play audiobooks. It is released under open source GNU General Public License Version 3. Some of the important features are sleep timer, easily search your audiobook library and Offline Mode. You can store your audibooks on your internal storage using offline support. It comes with remembers your last playback position, you can control your playback speed, Sort your audio books and Mpris integration. It supports almost all popular file formats like mp3, m4a, aac, ALAC, flac, ogg, opus, wav. Some other features are Drag & Drop and multitple storage locations support.