Product School - The global leader in product management training
Plates - For creating visual stories with people that matter to you !
The Product Manifesto - Product Managers face the biggest challenges of our day, which is why our community needs a common set of product principles.
Stampsy - A single place to share, curate and discover visual content
Intercom on Product Management - The ultimate resource for aspiring product managers
Imig.es - Imig.es is a versatile utility that offers you to make your own desired gallery without any effort.