Smart AudioBook Player - Smart AudioBook Player app comes up with features to help you in casting all your audiobooks to Chromecast enabled devices so you can enjoy them with your friends and family members.
LibriVox - free public domain audiobooks
Voice - Convert texts to audio files easily... Write your text, click export.
Audible - Audible is the world’s largest provider of premium audiobooks and spoken word content.
Islamic Audiobooks Central - Listen to audiobooks about religion, spirituality and philosophy from the Islamic perspective.
OverDrive Media Console - Download eBooks and audiobooks from your library directly to your iPhone, iPad, and iPod Touch!