Active Ports - easy to use tool that enables you to monitor all open TCP/IP and UDP ports on the local computer. Active Ports maps ports to the owning application so you can watch which process has opened which port.

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.

Comm Operator is a powerful tool for serial port, TCP/IP and UDP port communication. It is professional software for debugging, testing and troubleshooting RS232 related devices. Data can be sent and received in Text/String, Hex and Decimal format.

Comm Operator PPC is a powerful RS232 device emulator on Pocket PC. It supports communication with both serial port, include rs232, rs422, rs485 and TCP & UDP based protocol. It works with Wifi, Ethernet and Bluetooth besides normal serial port.

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SerialIP Server operates as a telnet server allowing the user to connect directly to a remote serial port (RS232) using TCP/IP connection.

With COM Port Splitter you can manage your virtual and real ports by using different variations of port bundles creation. It allows you to split, redirect and share serial ports the way you need.

Serial Port Splitter can split the real serial port into several virtual ones or join several COM ports into one virtual. It can share one real COM port between several applications which will receive same data from one serial port simultaneously.