COMPROTware:Testtool 1.49 could be downloaded from the developer's website when we last checked. We cannot confirm if there is a free download of this software available. We recommend checking the downloaded files with any free antivirus.
The latest version of COMPROTware:Testtool can be installed on PCs running Windows XP/7/8/10/11, 32-bit. The program is included in Multimedia Tools. Some of the tool aliases include "COMPROTwareTesttool". The most popular version of the program 1.4. The common filename for the program's installer is CPTT-Gui.exe. This free software is an intellectual property of Real Thoughts GmbH.
From the developer:
COMPROTware:Testtool is an integrated test and analysis tool for transmission protocols for telecontrol systems. This tool enables the development, testing and operation of stations using the transmission protocols. With COMPROTware:Testtool (short CPTT) you can simulate a central or sub station of a telecontrol system or follow the communication between them.
You may want to check out more software, such as ContextConvert Pro or Focusrite Liquid Mix, which might be similar to COMPROTware:Testtool.