Startup Security Program by Templarbit - Security practices & tools required to close large deals
Software Product Management Stack - Resources & tools to help you manage your software product
Google Capture the Flag 2017 - Google's 2nd annual worldwide security competition
The Product Management guide - A book on how to create and ship products that people love
The Security Checklist - The Practical Security Checklist for Web Developers
Product Management Exercises - A repository of product manager job interview exercises