Free Port Scanner is a small, fast, easy-to-use, and robust port scanner.
You can scan ports on fast machines in a few seconds and perform scans on predefined port ranges.
Free Port Scanner uses TCP packets to determine available hosts and open ports, services associated with the port, and other vital characteristics. The tool is designed with a user-friendly interface and is easy to use.
Simple Port Forwarding works with webpages and not directly with your router making it a safe program to use. Supports 52 Languages and 2600+ routers. Portable version also available.