Startup Stash - A curated directory of 400 resources & tools for startups
Intercom on Product Management - The ultimate resource for aspiring product managers
The Influencer Marketing Stack - Free resources to launch a killer campaign
The Product Management guide - A book on how to create and ship products that people love
Makerbook - A directory of the best free resources for creatives
Software Product Management Stack - Resources & tools to help you manage your software product