Content Marketing Stack - A curated directory of content marketing resources
100 Days of Growth - Proven ways to grow your business fast (eBook)
GrowthHackingIdea.com - One short, curated growth hacking idea a day to your email
Petit Hacks - Acquisition, retention, & revenue hacks used by companies
This Won't Scale by Drift - 40 free marketing playbooks to help you grow your business
Responsible - Strategies to help build trust and retain users early on