Download of TCPCom 4.1.4 was on the developer's website when we last checked. We cannot confirm if there is a free download of this software available. This software was originally created by TAL Technologies, Inc.
TCPCom lies within Internet & Network Tools, more precisely Network Tools. TCPCom is developed for Windows XP/XP Professional/Vista/7/8/10/11 environment, 32-bit version. The common filenames for the program's installer are COMTEST.exe, TCPCOM.exe or UNWISE.EXE etc.
The following versions: 4.1, 3.3 and 2.0 are the most frequently downloaded ones by the program users. According to the results of the Google Safe Browsing check, the developer's site is safe. Despite this, we recommend checking the downloaded files with any free antivirus software.
From the developer:
Allows any of the serial (RS232) ports on your PC to interface directly to a TCP/IP network. This makes it possible for any other computer on the same network to access the serial ports on the PC where TCP/Com is running through a TCP/IP socket connection.
You may want to check out more software, such as TCP-Com Serial to TCP/IP Converter or TCP COM Bridge, which might be similar to TCPCom.