Startup Security Program by Templarbit - Security practices & tools required to close large deals
Look at that SaaS - Inspiration and resources for SaaS founders
Google Capture the Flag 2017 - Google's 2nd annual worldwide security competition
Sqreen - Sqreen is a web application security monitoring and protection solution helping companies protect their apps and users from attacks. Get started in minutes.
SaaS 1000 - Free exportable list of the fastest growing SaaS companies
ConversionChecklist.org - A 41 point checklist to make your website convert better