The Product Management guide - A book on how to create and ship products that people love
Product School - The global leader in product management training
Sunsama - Calendar and scheduling for teams
PM Starter Pack - Practical guide on how to get started in product management
Product Management Templates - 9 essential templates created by product leaders
The Product Manifesto - Product Managers face the biggest challenges of our day, which is why our community needs a common set of product principles.