StatCounter - StatCounter is a simple but powerful real-time web analytics service that helps you track, analyse and understand your visitors so you can make good decisions to become more successful online.
Zeek - Buy and sell gift vouchers
Histats - Start tracking your visitors in 1 minute!
Suricata - Suricata is a high performance Network IDS, IPS and Network Security Monitoring engine.
Matomo - Matomo is an open-source web analytics platform
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.