Cisco DNA Center - Find and resolve network issues with Cisco DNA Center. Provides software-based network automation and assurance. Control and manage intent-based networks.

netcat - Netcat is a featured networking utility which reads and writes data across network connections...

Palo Alto Networks Panorama - Greater visibility, tighter control, less effort. Panorama™ network security management simplifies management tasks while delivering comprehensive controls and deep visibility into network-wide traffic and security threats.

PortMapper - Do you need to map a specific TCP or UDP port on your machine to another port on another machine?

F5 Advanced Firewall Manager - Stop even the most massive and complex DDoS attacks with BIG-IP Advanced Firewall Manager: advanced data center protection against layer 3–4 threats.

Komodia Relay - Free open source tool to perform TCP based session relay