Bytopsy
Free, open-source Windows disk space analyzer and PC cleaner
...Built with native C++20, it combines interactive disk usage visualization, intelligent junk file cleanup, duplicate file detection, application and startup management, driver updates, and disk health monitoring in one lightweight, portable solution.
With support for developer environments, AI model caches, WSL, Docker, and gaming platforms, Bytopsy goes beyond traditional disk cleaners. It offers both a modern graphical interface and a powerful command-line tool, prioritizing user control, transparency, and data safety.
No ads, no telemetry, no unnecessary dependencies — just powerful Windows storage management, completely free.