JFirewallTest is a free Java webstart application that tests for holes or open ports in your firewall. Unlike other solutions, JFirewallTest is a two stage testing procedure that tests all 65,536 ports very rapidly.

JFirewallTest is a free Java webstart application that tests for holes or open ports in your firewall. Unlike other solutions, JFirewallTest is a two stage testing procedure that tests all 65,536 ports very rapidly.

easy Look at Ports is a multithread full connect TCP ports scanner. Scan range of ports on remote host and save result to file. Main window can flip to system tray and control by context menu, called by click mouse on the application icon.

"easy Look at Net" is a simple ports scanner, packets sniffer and web-page source loader. Multithread ports scanner and packets sniffer specifically made to scan opened TCP ports, packets are filtered by incoming and outgoing, by IP addresses.

Personal Computer System Information displays important information such as the CPU Speed, MAC Address, Ports, Memory (RAM), Disk Space, Video Card, Windows version, and applications installed. You can then save this information.

Free software serial port monitor, Com Rs232 sniffer with communication packet data analyzer. This monitoring utility can spy, capture, view, analyze, test com ports activity performing com port connection and traffic analysis