Content Marketing Stack - A curated directory of content marketing resources
Content Marketing Playbook - Built from 12 years and 83,232,485 visits. By Hiten Shah.
This Won't Scale by Drift - 40 free marketing playbooks to help you grow your business
GrowthHackingIdea.com - One short, curated growth hacking idea a day to your email
The First 100 - Proven framework for acquiring your first 100 customers
Content Genie by ContentFly - Generate article ideas that will grow your traffic