Cisco Packet Tracer

Cisco Packet Tracer screenshots

Packet Tracer is a networking simulation software made by Cisco
Cisco Packet Tracer 5.1 : Device View

Alternative downloads

Bonjour Print Services for Windows
2.0.2
FREE
Bonjour Printer Wizard lets you configure printers from your computer.
SmartRF Packet Sniffer
2.18.1
FREE
Packet Sniffer is a PC software application used to display and store RF packets.
Colasoft Packet Player
2.3
Open captured packet trace files and play them back in the network.