The Product Management guide
Product School
The Product Manifesto
Intercom on Product Management
Product Management Exercises
Intercom
Software Product Management Stack
The Product Folks
The SaaS CTO Security Checklist
Startup Security Program by Templarbit
Google Capture the Flag 2017
The Security Checklist
SaaS 1000
Look at that SaaS
pickSaaS
ConversionChecklist.org
Product School - The global leader in product management training
Startup Security Program by Templarbit - Security practices & tools required to close large deals
The Product Manifesto - Product Managers face the biggest challenges of our day, which is why our community needs a common set of product principles.
Google Capture the Flag 2017 - Google's 2nd annual worldwide security competition
Intercom on Product Management - The ultimate resource for aspiring product managers
The Security Checklist - The Practical Security Checklist for Web Developers