WiFi Site survey tool

Hi guys,

not sure this is the right place to post but couldn’t find anything more appropriate.
Browsing the web I got though this:

which can be a quite good and free alternative compared to NetSpot Pro.
Obviously not as feature rich as NetSpot but very easy to use (in my experience much easier if you stick to docker).

I see often on the forum post of people with wifi issues, disconnection and so on: so maybe they will find useful!