Product School - The global leader in product management training
Birch - Find the best credit card for your spending.
The Product Manifesto - Product Managers face the biggest challenges of our day, which is why our community needs a common set of product principles.
The Roll by EyeEm - Organize your iOS Photos automatically
Intercom on Product Management - The ultimate resource for aspiring product managers
Cleanz - Simple and beautiful way to clean up your photo library