LibriVox - free public domain audiobooks
Pocket Listen - Reading is hard. Listen to articles instead.
OverDrive Media Console - Download eBooks and audiobooks from your library directly to your iPhone, iPad, and iPod Touch!
Tattle - Listen to your news stories, narrated by humans
Listen Audiobook Player - Feature rich and easy to use player for your audio books.
Play.ht - AI Voice and Speech Generation tool