ToolSalad.com - A Curated Directory of 204+ Online Marketing Tools for Startups, Bloggers, SEOs, and Marketers.
GoodBooks.io - Largest curated collection of 8,500+ book recommendations.
Mr. Free Tools - The Most Advanced Directory of Free Tools
BookAuthority - BookAuthority collects the most recommended books on business, technology and science - as featured on CNN, Inc and Forbes
StartupResources.io - Tightly curated lists of the best startup tools
Goodreads - See what your friends are reading.