You can download KNX ETS4 4.2.3884.50021 from our software library for free. The software lies within Business Tools, more precisely Project Management. Commonly, this program's installer has the following filenames: ETS4.exe, Ets4Icons.exe and ToolDiagWizard.exe etc. This program is a product of KNX Association cvba. KNX ETS4 was developed to work on Windows XP, Windows 7 or Windows 8 and can function on 32-bit systems. The most popular versions of the software are 4.2, 4.1 and 4.0.
From the developer:
ETS means Engineering Tool Software, a manufacturer independent configuration tool Software to design and configure intelligent home and building control installations with the KNX system.
The ETS focuses on all users of the KNX system, from the beginner up to the skilled and experienced KNX partner or installer.
You may want to check out more software, such as NETxAutomation KNX OPC Server, NETxKNX OPC Server - Direct KNX or MatrikonOPC Server for KNX, which might be similar to KNX ETS4.