Macsome Audiobook Converter - Convert Audible Audiobook to MP3 / AAC at up to 300x faster speed and id3 tags kept.
Kobo Audiobooks - Experience the joy of being told a story
TunesKit AudioBook Converter - Best audiobook DRM removal solution for Windows to remove DRM from iTunes and Audible audiobooks.
Prologue - Audiobook player on iOS for Audiobooks hosted on a Plex media server
Voice - Convert texts to audio files easily... Write your text, click export.
Scribd Audiobooks - Unlimited access to 30,000 audiobooks