The Product Management guide - A book on how to create and ship products that people love
Software Product Management Stack - Resources & tools to help you manage your software product
Product Management Exercises - A repository of product manager job interview exercises
The Product Manifesto - Product Managers face the biggest challenges of our day, which is why our community needs a common set of product principles.
Product School - The global leader in product management training
Instabug for Product Managers - Collect and understand user feedback