FirePlotter A real-time session bandwith monitor for Cisco and FortiNet firewalls
Wireless Snif LAN/Wi-Fi/IM sniffer Captures ICQ, IRC, Email, HTTP and other messages
Advanced IP Scanner 2.0 Advanced IP Scanner is a free, fast and easy-to-use multithreaded network scanning tool. Its many useful functions include scanning for HTTP, HTTPS, FTP and shared folders.