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Network Serial Port Kit allows you to connect any serial port devices over TCP/IP network or Internet. Program creates and connects up to 254 virtual serial ports at a time. Physical COM ports can be connected over the network as well.

Scans about 400 ports a second. It supports both the TCP/IP and UDP protocols. Select address ranges to scan multiple interfaces or hosts. Open ports will found will have suspected trojans ...

NetworkActiv Port Scanner is a freeware, Fast, Easy to use, Advanced network scanner with many useful features. This is not just a network scanner, with this you can perform DNS-dig, ...

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.

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.

PortMarshaller is a software-based TCP/IP port forwarder and network administration service. The software accepts connections on a particular TCP port, and establishes connections to a different TCP port to fulfill requests.

This is software-based solution that lets you share up to 255 serial port devices over TCP/IP network. So, any serial port device connected to COM port could be accessed from anywhere as if it is attached to local PC. It provides the ability to create three different types of connection: Port-to-port, Port-to-TCP client and Port-to-TCP server. Serial to Ethernet Connector uses virtual port technology which emulates real serial ports.

A freeware which manages port forwarding tables on your home router/gateway to enable online multiplayer game play. Can also be used to expose applications to your friends over the internet. Port Mapper helps home users to do port forwarding on their routers and gateways securely and automatically manages ports on the router without disturbing your gaming session. Support popular Home Networking Routers ( Linksys, D-Link, Netgear ...)

See which ports belong to which programs! Port Explorer shows all the open ports on your system and what programs own them. ...

Configurable UDP and TCP port forwarding for Windows. Define IP address ranges to allow or block for each port being forwarded. Have program forward multiple ports simultaneously. Have program log connection events to a text file.