Zestack - Stackoverflow for marketing & growth
The Influencer Marketing Stack - Free resources to launch a killer campaign
12min APP - Free reading app for summaries of nonfiction books.
Startup Stash - A curated directory of 400 resources & tools for startups
Campaignware - Campaignware makes digital campaigns easily and quickly without coding or developers. Engage your audience with interactive content to grow, convert and retain. Build votes, quizzes, forms, surveys, and more.
Makerbook - A directory of the best free resources for creatives