If you're a Windows user looking to reclaim disk space, WinDirStat is your go-to tool. Its treemap visualization makes it easy to spot large files consuming your storage, and being open-source means you won't encounter any hidden fees or telemetry. Just be prepared for its dated interface and potentially slow initial scans on larger drives.
On the other hand, if you’re a Mac user who values speed and automation, Alfred is the better choice. It's a mature launcher that can significantly enhance your productivity through powerful workflows. However, to unlock its full potential, you'll need to invest in the paid Powerpack. Avoid it if you're looking for a platform that isn't Mac or need built-in AI features.