A network tool to control the bandwidth over your local network
Network sniffer which a similar to WireShark with sending own packets
Drag-n-Drop build a Network hub from your computer.
A Desktop app for network stress testing, TCP-Ping and icmp ping.
A powerful WOL, ping, shutdown, GUI application.
WPF Winsock Sniffer
A suite to forge network packets or use preexisting utilities
something that writes code for you