RetailMenot - The RetailMeNot mobile app allows you to find deals on the go for both online shopping and in store shopping.

LibriVox - free public domain audiobooks

Slickdeals.net - Slickdeals: The Best Deals, Coupons & Discounts on everything

Audible - Audible is the world’s largest provider of premium audiobooks and spoken word content.

Honey - Honey is a browser extension that automatically finds and applies coupon codes at checkout with a single click.

Mobilism.org - A home for book lovers, app enthusiasts, and much more.