Play.ht - AI Voice and Speech Generation tool
LibriVox - free public domain audiobooks
Blogcast - Turn your articles into audio
Audible - Audible is the world’s largest provider of premium audiobooks and spoken word content.
BeyondWords - BeyondWords is an AI voice and audio CMS platform that brings frictionless audio publishing to writers, newsrooms, and businesses. Free Pilot plan available!
Mobilism.org - A home for book lovers, app enthusiasts, and much more.