Weavr Cafe - Weavr is a platform to build active learning communities.
Email Growth Playbook - Increase your email ROI with 60+ growth tactics
Adapt or Die - Learn how to protect your business from losing sales
GrowthHackingIdea.com - One short, curated growth hacking idea a day to your email
Intercom on Marketing - The marketing book for startups
Growth Hacking Sourcebook - The ultimate growth hacking sourcebook