SSD

diskbloom – terminal-based disk space visualizer

diskbloom is a terminal-based disk space visualizer that displays files and directories as a colourful, nested treemap. Tile area represents allocated disk space, while colours identify different file types.

The program combines the treemap with a navigable directory tree, size bars, and an extension colour legend. It uses concurrent scanning and avoids double-counting hard-linked files.

This is free and open source software.

Key Features

  • Displays disk usage as a nested, WizTree-style treemap.
  • Uses tile area to represent allocated disk space.
  • Assigns distinct colours to different file extensions.
  • Provides a dual-pane interface with a directory tree and treemap.
  • Scans directories concurrently for improved performance.
  • Deduplicates hard links so shared data is counted only once.
  • Supports keyboard and mouse navigation.
  • Opens files with their default applications.
  • Sends deleted files to the Trash by default.
  • Requires explicit confirmation before permanently deleting files.
  • Offers prebuilt binaries for Linux on x86-64 and ARM64 systems.
  • Distributed as a single static binary with no runtime dependencies.

Website: github.com/Zingzy/diskbloom
Support:
Developer: Zingzy
License: Apache-2.0

diskbloom in action
Click image for full size

diskbloomis written in Go. Learn Go with our recommended free books and free tutorials.


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