Share alarm is a tool that allows you to see parameters of the workstation which tries to establish a connection with your computer.The remote workstation, user, path, OS, permissions of the accessed folder.
ArpCacheWatch monitors Windows ARP cache and allows to send an ARP request to obtain the physical address that corresponds to the specified destination IP address. The ARP cache contains IP/MAC translations.
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.
Network Hotfix Scanner is a free advanced hotfix check utility that scans network computers for missing hotfixes and patches, and helps you download and install them, gives you a quick look at the hotfixes and patches installed or missed.
The Nexpose Community Edition is a free, single-user vulnerability management solution specifically designed for very small organizations or individual use. Support is available via the extensive online Community (http://community.rapid7.com).
Free Port Scanner is a small and fast port scanner for the Win32 platform. You can scan ports on fast machines in a few seconds and can perform scan on predefined port ranges.The tool is designed with a user-friendly interface and is easy to use.