Next-Generation Intrusion Prevention System (NGIPS) - Cisco Firepower NGIPS (Next-Generation IPS) provides contextual awareness, security intelligence, and advanced threat protection against attacks and malware.
pickSaaS - Hundreds of SaaS products, analyzed.
snort - Snort is a free and open source network intrusion prevention system.
Look at that SaaS - Inspiration and resources for SaaS founders
Suricata - Suricata is a high performance Network IDS, IPS and Network Security Monitoring engine.
SaaS 1000 - Free exportable list of the fastest growing SaaS companies