Network Monitoring freeware downloads

PTP Track Hound

1.0.2 freeware download

Wireshark for PTP - Your free tool to capture and analyze PTP network traffic

nagstamon

3.0 freeware download

A Nagios status monitor which resides in the system tray

CurrPorts

2.35 freeware download

Displays the list of all currently opened TCP/UDP ports on your computer.

The Dude

6.40.3 freeware download

Scan your network, make a layout map, and start monitoring services

Wireshark for Mac OS X

2.4.1 freeware download

Free network protocol analyzer for Mac OS X

Wireshark (x64bit)

2.4.1 freeware download

Free network protocol analyzer for Windows (x64bit)

Wireshark (x32bit)

2.4.1 freeware download

Free network protocol analyzer for Windows

Active Intrusion Detection

1.0 freeware download

Detect and trace data leaks as they happen with Active Intrusion Detection

Wireless Network Watcher

2.13 freeware download

Shows who is connected to your wireless network.

LanInspector 11 Enterprise Free

11.0.0.0 freeware download

You can discover your network inventory with the Lan-Inspector

PNetMon

3.7.2 freeware download

PNetMon is a personal network monitor that doesn't require a degree in IT to use

LanInspector 11 Basic Free

11.0.0.0 freeware download

You can discover your network inventory with the Lan-Inspector

LanInspector 11 Professional Free

11.0.0.0 freeware download

You can discover your network inventory with the Lan-Inspector

Capsa Network Analyzer Free Edition

10.0 freeware download

Free network analyzer for network monitoring and troubleshooting

5 freeware award

DhcpExplorer

1.4.8 freeware download

DhcpExplorer allows you to discover DHCP servers on your local subnet or LAN.

Suricata

3.2.3 freeware download

A network traffic monitor engine with multi-thread support

SSL Certificate Scanner

8.0 freeware download

Network SSL Certificate Scanner

NetworkTrafficView

2.10 freeware download

Displays network traffic statistics on your network adapter

Dynu IP Update Client

5.3 freeware download

IP updater to keep your current IP address in sync with your hostnames

Network Inventory Advisor

5.0.87 freeware download

Inventory PC network, track software and hardware parameters and build reports

Yale

1.17 freeware download

A tool that will let you see the network adaptor usage

Network Monitor II

24.3 freeware download

The Network Monitor II (wired and wireless) will show info about your network.

5 freeware award

IPHost Network Monitor Freeware

5.0.11530 freeware download

Free network & server monitoring tool (SNMP, WMI, websites, databases...)

PRTG Network Monitor

17.2.30 freeware download

A network monitor featuring advanced data acquisition and detailed reporting.

Black Forest (Anti Bot-Net System)

1.0 freeware download

Black Forest Anti Bot-Net System for Servers