Gosh there are a lot of these programs, aren't there? For some reason I find it really hard to read these tree map visualisations. I know the theory and all that, but for me they just aren't an intuitive way of displaying that kind of information. For me a radial graph (i.e. pie chart like) is much easier to grok - I don't even have to think about it, I just get it. Seems like there must be plenty of people who don't…
Here's what the app looks like: http://www.creativeapplications.net/wp-content/uploads/2009/...
Ever since I've ditched macOS I've been waiting to find a similarly designed app for Windows.
EDIT: Just tried Diskitude, but it's unfortunately nothing like DaisyDisk. It doesn't do the same drill-down DD does.