Super Webscan - identifies open relay SMTP servers. It is an all in one program.

FreeSnmp - Free SNMP scans the network and identifies the nodes running SNMP service.

NetScanTools - A must-have set of internet utilities and tools for home and business.

Port Invader - Scan a range or list of IPs for open and closed ports.

SpotAuditor - Recover IE, Outlook, ICQ, Far, SecureFX, VNC, Dial up, Trillian, MSN passwords.

ShareAlarmPro - ShareAlarmPro monitoring network access to shared folders and shared resources.

RegAuditor - RegAuditor gives you a quick look at the Adware and spyware installed on PC.

ArpCacheWatch - ArpCacheWatch monitors Windows ARP cache and allows to send an ARP request.