GrowthHackList - 100+ curated growth hacks for makers + early stage startups
DiscoverOrg - DiscoverOrg is an IT sales intelligence platform providing technology marketers access to data, IT org charts, and real time projects.
Your Growth Hacks Aren't Working - Free new book by Steli Efti on B2B customer acquisition
Clearbit - Clearbit provides Business Intelligence APIs
GrowthHackingIdea.com - One short, curated growth hacking idea a day to your email
Datanyze - The sales prospecting tool powered by technology data