Free net scanner software for windows

This program searches through emails in text/HTMLor .eml format and retrieves the email addresseswithin them. Outputs to file line by line orsemicolon separated.

Content Scanner is a FREE online tool that allows you to check all files on your computer for questionable content. Questionable files are shown in table.

This is just a basic everyday port scanner. Its fast and efficient, especially over networks ( what i use it for ).
It has over 3000 predefined ports built into the program so it may identify the possible open port so you do not need to go researching all over the net for that service.
It will also detect whether or not the remote host is ping able. Which either means they are behind a good firewall, router or arent even online.

A free, standalone scanner that detects hosts infected with eihter variant of MyDoom Virus.
MyDoom Scanner alows users to enter a range of IP addresses to scan for infected computers.

Multi-socket scanner capable of scanning local and remote ports quickly, even on slower machines.