PortScan - Scan and identify network devices.

Port Forwarding Made Simple.

MyLanViewer is a powerful network scanner and IP monitor for your home network.

SoftPerfect Network Scanner is a free multi-threaded IP, NetBIOS and SNMP scanner.

IPaddress is a tiny utility that you can use to determine your IP address and lets you copy it to the computer's Clipboard.

Free Network Scanning Tool

Socks proxy supports https and high anonymity naturally, so you can use socks proxy to access all (http/https) websites

BlindScanner allows users to scan, using the remote scanner and to save images in folders (it is possible automatically by the timer).

A freeware tool that helps you to search HTTP and HTTPS proxy servers

Remote Directory Server Fingerprinting Tool

Simple and really fast port scanner

Listen on well known ports for uninitiated connections.

A multithread port scanner specifically made to scan and display opened TCP ports.

A simple ports scanner, packets sniffer and web-page source loader.

Opened Ports Viewer displays a list with all opened ports on a machine, including the associated process (similar the console command "netstat").