head to head · open source
nnn vs TreeMap-Disk-Visualizer
nnn has 22,107 GitHub stars, 834 forks, 1 open issues and last shipped 5 days ago. TreeMap-Disk-Visualizer has 1,291 stars, 91 forks, 1 open issues and last shipped 6 days ago. nnn leads on adoption by 1,612% (22,107 vs 1,291 stars). nnn is written in C under BSD-2-Clause; TreeMap-Disk-Visualizer is written in TypeScript under MIT. nnn has attracted 4% as many forks as stars, TreeMap-Disk-Visualizer 7%. nnn was the more recently maintained of the two, and both are self-hostable with no licence fee. The two share 2 topic tags (disk-usage, file-manager), so they are genuine substitutes rather than adjacent tools.
Two open source projects, one decision. Both are free and self-hostable — the differences are community size, license terms, language stack and release pace.
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Side by side
| nnn | TreeMap-Disk-Visualizer | |
|---|---|---|
| GitHub stars | ★ 22K | ★ 1.3K |
| License | BSD-2-Clause | MIT |
| Written in | C | TypeScript |
| Last push | 2026-11-01 | 2026-10-31 |
| Forks | ⑂ 834 | ⑂ 91 |
| Self-hosting | Yes | Yes |
| Data ownership | Your server | Your server |
pick nnn if
- You weight community size — 22K stars and counting
- You want the BSD-2-Clause license terms
- Your stack matches C
- You value the larger contributor base for long-term maintenance
pick TreeMap-Disk-Visualizer if
- You want the TreeMap-Disk-Visualizer feature set and don't need the biggest community
- You prefer the MIT license terms
- Your stack matches TypeScript
- You evaluated both and TreeMap-Disk-Visualizer fits your workflow better
About nnn
nnn Supercharge your productivity! [ Features ] $ $ [ Quickstart ] $ $ [ Plugins ] $ $ [ Wiki ] nnn ( n³ ) is a full featured terminal file manager. It's tiny ( 150 KiB), nearly 0 config and incredibly fast. It is designed to be unobtrusive with smart workflows to match the trains of thought. nnn can analyze disk usage, batch rename, launch apps and pick files. The plugin repository has tons of plugins to extend the capabilities further e.g. live previews, (un)mount disks, find & list, file/dir diff, upload files. A patch framework hosts sizable user submitted patches which are subjective in nature. Independent…
About TreeMap-Disk-Visualizer
⬇ Download ✨ Features 🧩 VS Code 🚀 Run it 🤖 AI / MCP 🛡️ Safety 🟩 Find it Squarified treemap of every byte 🟨 Understand it Trends, diffs & duplicate hunting 🟥 Reclaim it One click cleanup → system Trash [!TIP] No Node. No setup. No telemetry. The desktop app is fully self contained and scans the disk of the machine it runs on. Deletes always go to your system Trash , nothing is ever hard deleted, and anything moved there can be put back until the Trash is emptied. Screenshots follow your GitHub theme: switch between light and dark to see both. Scan : pick a folder, watch it fill in Drill in : one folder per…
read the full TreeMap-Disk-Visualizer overview →
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Frequently asked questions
Is nnn or TreeMap-Disk-Visualizer more popular?
nnn has 22,107 GitHub stars and TreeMap-Disk-Visualizer has 1,291. nnn has the larger community by that measure.
Are nnn and TreeMap-Disk-Visualizer free?
Both are open source. nnn is licensed under BSD-2-Clause and TreeMap-Disk-Visualizer under MIT. Neither carries a licence fee.
What is the difference between nnn and TreeMap-Disk-Visualizer?
nnn is written in C and TreeMap-Disk-Visualizer in TypeScript. The practical differences are community size, licence terms, language stack and release cadence — all compared in the table above.
Which should I choose, nnn or TreeMap-Disk-Visualizer?
Choose nnn if you want the larger community (22,107 stars) or its BSD-2-Clause licence terms. Choose TreeMap-Disk-Visualizer if its feature set, stack or MIT licence fits better. Both are self-hostable.