Clean Linux caches, remove apps, analyze disk usage, and monitor system resources with Preen, an open-source Go CLI and Qt desktop app.

Old node_modules folders, Python virtual environments, and Rust target directories take up space long after a project stops being useful. Package caches and leftover app files add to the mess.

I built Preen to handle Linux cleanup and system monitoring in one application. It can remove caches and apps, inspect disk usage, and show system activity. You can use its Go CLI or a desktop interface built with KDE Kirigami and Qt6.

Clean Linux caches and old project builds

Preen scans caches from tools including npm, pnpm, uv, pip, Cargo, and Go.…