Advanced Port Scanner is a small, fast and easy-to-use Port Scanner for Windows. It is multithreaded, so you can scan ports in just a few seconds. Also, it contains descriptions for common ports, and can perform scans on predefined port ranges.
"easy Look at Packets" is a simple packets sniffer. Packets are filtered by incoming and outgoing, by IP addresses, ports and protocols - TCP, UDP, ICMP, IGMP. Programm does not demand installation and is very simple in management.
Monitor multiple websites with your PC. Accurately tests server response, checks DNS resolution and verifies HTTP visibility to insure that your website is online and running smoothly. Notifies you when your website fails.