Blinkist - Key insights from 6,000+ bestselling books and podcasts
LibriVox - free public domain audiobooks
Instaread - Read or hear key takeaways of any book in minutes
Audible - Audible is the world’s largest provider of premium audiobooks and spoken word content.
Amie - GitHub for research and data science
Mobilism.org - A home for book lovers, app enthusiasts, and much more.