Product School - The global leader in product management training
The Product Manifesto - Product Managers face the biggest challenges of our day, which is why our community needs a common set of product principles.
Software Product Management Stack - Resources & tools to help you manage your software product
Intercom on Product Management - The ultimate resource for aspiring product managers
Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.
Better Product Manager - Experience the life of a PM through these tests