Platypus - Realtime server monitoring and reporting
Startup Security Program by Templarbit - Security practices & tools required to close large deals
Monitornator - Server monitoring made simple
The Security Checklist - The Practical Security Checklist for Web Developers
NIXStats - SaaS monitoring tool for window/linux servers and websites. Think up-time robot but with more features.
SaaS 1000 - Free exportable list of the fastest growing SaaS companies