B2B LinkedIn content marketing - A 14 step guide to acquire and nurture leads on Linkedin
Growth Hacker Marketing - Ryan Holiday's book, re-released and expanded
Content Marketing Playbook - Built from 12 years and 83,232,485 visits. By Hiten Shah.
TweetFavy - The Growth Hacking Tool for Twitter. Marketing automation software / Growth Hacking tool designed to grow your social media influence and attract real, targeted and engaged Twitter followers.
CNVS - Create lean, feature or biz model canvases for free
Primer - CSS toolkit and guidelines that power GitHub