MentalUP - Entertain and test your children with >120 games
Software Product Management Stack - Resources & tools to help you manage your software product
ABCs of Product Management - Children's book about Product Management
The Product Management guide - A book on how to create and ship products that people love
YUMI - YUMI (Your USB Multiboot Installer), is a tool that allows you to boot multiple ISO files from one USB drive.
Product Management Exercises - A repository of product manager job interview exercises