Powerful, open-source network protocol analyzer
Multi-thread Ping Hosts Monitor Tool. Email/ Teams/ Telegram alerts
terminal based packet sniffer
sap_mon, a tiny sap base monitoring tool on linux
A network tool to control the bandwidth over your local network
Snare Enterprise: bit.ly/Snare-Trial
NetFlow iptables module for Linux kernel
Bluetooth Low Energy (BLE) packet sniffer and transmitter
netflow collecting and processing tools
Passive Proxy Daemon sniffs packets and creates squid proxy logs