Software Product Management Stack - Resources & tools to help you manage your software product
Nifty - Manage projects, work, and communications in one place.
Product School - The global leader in product management training
ZenHub - ZenHub is how the world's best software teams work together. Trusted by NASA, Docker, and Rackspace. Start free today!
PM Starter Pack - Practical guide on how to get started in product management
Intercom on Product Management - The ultimate resource for aspiring product managers