Crowdstack - Curated directory of crowdfunding resources
Content Marketing Stack - A curated directory of content marketing resources
BackerTracker - Track crowdfunding projects and see how much they'll raise
GrowthHackingIdea.com - One short, curated growth hacking idea a day to your email
Attributer - Know what marketing channels are driving customers & revenue
This Won't Scale by Drift - 40 free marketing playbooks to help you grow your business