Shuffle - One Phone, Multiple Numbers
Angel's Vox - Angel’s Vox is the first audio player on the market designed specially for audiobook enthusiasts.
Bullet - Share captioned video snippets of podcasts from any app
BookDroid - BookDroid is an audio book listener for Android devices.
Blinkist - Key insights from 6,000+ bestselling books and podcasts
Material Audiobook Player - Open Source Audiobook Player for Android