mcdu is a fast, modern disk usage analyzer with an integrated developer cleanup tool. Think ncdu meets CCleaner for developers.
This is free and open source software.
Key Features
- Disk usage browser – Navigate your filesystem with vim-style keybindings, color-coded by size.
- Developer cleanup – Scan for build artifacts, caches, and reclaimable space across 18+ ecosystems.
- Orphaned app data (macOS) – Detect leftover data from uninstalled applications in ~/Library.
- Safe deletion – Double-confirmation dialogs, dry-run mode, and JSON audit logging.
- Fast scanning – Background async scanning with live progress, jwalk parallelism for cleanup.
- Cross-platform – macOS (APFS) and Linux (ext4, btrfs, xfs).
Website: github.com/mikalv/mcdu
Support:
Developer: Mikal Villa
License: MIT License
mcdu is written in Rust. Learn Rust with our recommended free books and free tutorials.
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| gdu | Go | MIT License |
| cull | Go | MIT License |
| dua | Rust | MIT License |
| erdtree | Rust | MIT License |
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| space | Rust | MIT License |
| darya | Rust | GNU General Public License v3.0 |
| diskus | Rust | MIT License or Apache License 2.0 |
| mcdu | Rust | MIT License |
| dirstat-rs | Rust | MIT License |
| diskonaut | Rust | MIT License |
| bonsai | C++ | GNU General Public License v3.0 |
| diskard | Rust | MIT License or Apache License 2.0 |
| cdu | Perl | GNU General Public License v2.0 |
| tdu | Go | GNU General Public License v2 |
| duviz | Python | MIT License |
| dut | C | GNU General Public License v3.0 |
| whalespotter | Rust | MIT License |
| sn | Rust | BSD 3-Clause “New” or “Revised” License |
Read our verdict in the software roundup.
 Explore our comprehensive directory of recommended free and open source software. Our carefully curated collection spans every major software category.This directory is part of our ongoing series of informative articles for Linux enthusiasts. It features hundreds of detailed reviews, along with open source alternatives to proprietary solutions from major corporations such as Google, Microsoft, Apple, Adobe, IBM, Cisco, Oracle, and Autodesk. You’ll also find interesting projects to try, hardware coverage, free programming books and tutorials, and much more. Discovered a useful open source Linux program that we haven’t covered yet? Let us know by completing this form. |