ferris-scan is described as 'Lightweight and fast both terminal user interface (TUI) and graphic user interface (GUI) alternative to WinDirStat. Built with Rust and ratatui, it scans your disk in parallel using a thread pool, allowing you to quickly navigate directories directly from the' and is a disk usage analyzer in the os & utilities category. There are seven alternatives to ferris-scan for a variety of platforms, including Windows, Linux, BSD, Flathub and Mac apps. The best ferris-scan alternative is WinDirStat, which is both free and Open Source. Other great apps like ferris-scan are WizTree, Baobab Disk Usage Analyzer, TreeSize and SpaceSniffer.