Headspace - Meditation made simple. Brilliant things happen in calm minds.
Google Play Books - Google Play Books lets you search, preview, and buy millions of books using Google Book Search.
Synctuition Meditation Program - Synctuition Meditation Program is a world’s most leading meditation app that comes with brand new 3D sounds that enhance the quality of sleep significantly.
Amazon Kindle - Amazon Kindle software lets you read ebooks on your Kindle, iPhone, iPad, PC, Mac, BlackBerry, and...
Calm - Calm.com can help you reduce stress and increase calm.
LibriVox - free public domain audiobooks