On Feb 6, 2018, at 5:17 AM, pd-list-request@lists.iem.at wrote:

Date: Mon, 5 Feb 2018 12:32:00 +0100
From: "Ingo" <ingo@miamiwave.com>
To: "'PD list'" <pd-list@lists.iem.at>
Subject: Re: [PD] sensing whether a window is active
Message-ID: <000901d39e74$f0571470$d1053d50$@miamiwave.com>

I have been using [toxy/tot] for this which is unfortunately deprecated and
can't be found anymore although the external that was included in
Pd-extended still works for me on Debian.
I'd love to find an alternative as well.

Ingo