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.
PuTTY - Popular free terminal application. Mostly used as an SSH client.
Suricata - Suricata is a high performance Network IDS, IPS and Network Security Monitoring engine.
MobaXterm - Enhanced terminal for Windows with X11 server, tabbed SSH client, network tools and much more
Zeek - Buy and sell gift vouchers
iTerm2 - A terminal emulator for macOS that does amazing things.