pickSaaS - Hundreds of SaaS products, analyzed.
Startup Security Program by Templarbit - Security practices & tools required to close large deals
Inside SaaS Sales - 1000+ sales emails and voicemails from top SaaS companies
The Security Checklist - The Practical Security Checklist for Web Developers
SaaS 1000 - Free exportable list of the fastest growing SaaS companies
Micro-SaaS - All you need to build your own SaaS at one place.