nginx - A high performance free open source web server powering busiest sites on the Internet.
SaaS 1000 - Free exportable list of the fastest growing SaaS companies
AWS WAF - AWS WAF is a web application firewall that helps protect your web applications from common web exploits.
Look at that SaaS - Inspiration and resources for SaaS founders
Imperva Cloud Application Security - Deploy your applications and data where you want. When you want. Imperva keeps them secure in the cloud, on premises, and in hybrid clouds.
Pocket SaaS GlideApp - Quarterly earnings+SaaS metrics of public cloud companies