AdventNet Firewall Analyzer

IsItUp Network Monitor can be used to monitor critical applications and infrastructure. A wide variety of monitor types are included such as a Ping Monitor,Web site Monitor,Tcp/Ip Port Monitor,Windows Service Monitor,Disk Free space,and Mail Servers.

Provides automatic physical network topology discovery, network map visualization, detailed and searchable physical network topology map, monitoring device`s state in real-time, ability to auto-discovery new devices, web browser-based access

Plax Network Suite is an easy to use collection of network tools which offers full control over the online activity of your PC. Instant ON/OFF switch for Windows XP Firewall, block ping, show open ports and applications and do port scanning.

SmartSniff allows you to capture TCP/IP packets that pass through your network adapter, and view the captured data as sequence of conversations between clients and servers.

LAN/Wi-Fi/IM sniffer Captures ICQ, IRC, Email, HTTP and other messages. Allows to capture all network traffic even in switched LAN. Sniffer supports parsing of following protocols: IP, TCP and many others.