Baobab Disk Usage Analyzer
ncdu
DiskUsage
WinDirStat
WizTree
Gdu
TreeSize
Filelight is an application to visualize the disk usage on your computer.

ShrimpTank.app
AquaKeeper.app
The free aquarium logbook that forecasts your water parameters.

Which is more popular?
Based on our record, Filelight seems to be more popular. It has been mentioned 11 times since March 2021.
Website, pricing, platforms and company facts side by side.
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Filelight
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|---|---|---|
| Website | apps.kde.org | reefnotes.com |
| Pricing | — | |
| Company | — | Startup from Germany · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.

No description of Filelight yet.
reefnotes is a calm aquarium logbook that runs in your browser — nothing to install, works on every device. Log every water test, water change and dose in one place. reefnotes draws the trend, learns your water-change rhythm as the logbook fills, and shows you where a value is heading before the...
What each product offers, as listed by its team.

Possible disadvantages
No features have been listed yet.
An editorial look at what each product does well and who it suits.

Overall verdict
Why this product is good
Recommended for
Filelight is recommended for users who prefer graphical representation of disk usage and are comfortable in the KDE desktop environment. It is also suitable for users who need to manage disk space across different file systems and those who want an easy way to identify space-consuming files and directories.
No analysis of reefnotes yet.
Walkthroughs and reviews on video.
Filelight : Shows where your diskspace is being used in Linux Mint (Ubuntu)
More videos
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How often each product is chosen within a category, 0–100% relative to the other.

Share your experience with using Filelight and reefnotes. For example, how are they different and which one is better?
Recommendations tracked on public social media and blogs since March 2021.

Many good alternative listed already. But I have quite liked FileLight which is cross platform https://apps.kde.org/filelight/ Likely not as fast as WizTree though. - Source: Hacker News / over 2 years ago
You’ll need to boot into Desktop Mode to drill deeper regarding what’s installed on your SD card or internal storage. In Desktop Mode, you can navigate around using the built-in file explorer, Dolphin. You can also download and install... Source: over 3 years ago
I would open the Discover store in Desktop mode and download Filelight, which will help visualize the used space on your drive. It might help illuminate what’s taking up so much space, pun intended. Source: over 3 years ago
Tracking reefnotes since Sep 2026.
When comparing Filelight and reefnotes, you can also consider the following products.

Baobab Disk Usage Analyzer is one of the light-weight disk analyzers that offers you a chance to view and monitor the disk usage & folder structure without any hassle.
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Aquarium care app for shrimp keepers
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A disk usage analyzer with an ncurses interface, aimed to be run on a remote server where you...
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DiskUsage provides a way to find out which files and directories on the SD card of your Android...
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WinDirStat is a disk usage statistics viewer and cleanup tool, inspired by KDirStat.
Compare WinDirStat to Filelight or reefnotes: