Teamwork - The Project Management App for Professionals. The most powerful and simple way to collaborate with your team.
Software Product Management Stack - Resources & tools to help you manage your software product
Anaxi - We're fixing software project management!
The Product Management guide - A book on how to create and ship products that people love
Zenkit - Zenkit is the home you always wanted for your ideas, your projects, your business.
Product Management Exercises - A repository of product manager job interview exercises