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OpenDisk 1.4

Storage & Cleanup

OpenDisk

v1.4, released this week

Reads a whole drive in seconds, as a sunburst.

FreeOpen sourceFree, no paid tiermacOSUpdated 3 days ago

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About

OpenDisk scans a full drive and draws it as an interactive sunburst chart, so the folder quietly holding forty gigabytes is one glance away instead of several levels down. Clicking a segment walks into it, and the scan keeps pace as you go. Free and open source, which is the whole argument against paying for a disk analyser.

Price
Free, Free, no paid tier
License
MIT
Version
1.4 · Oct 24, 2026
Platforms
macOS

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What’s new

All 15 releases

1.4Latest · 3 days ago

  • A redesigned window built like a native Mac app: your disks and folders live in a sidebar, the list looks like Finder's with Name, Size and Kind columns, and the sunburst sits beside it.
  • OpenDisk reopens the disk or folder you last looked at. External and network drives fall back to your Mac's own disk, so launching never wakes a sleeping drive.
  • Rescans keep your previous results on screen while they run, and skip the slow change check for scans more than a few hours old. Progress shows how many changed folders are left.
  • Opening folders is instant, and the sunburst builds up to 300 times faster in big folders like Library.
  • Make the list text bigger or smaller with ⌘+ and ⌘−, and reset it with ⌘0.
  • Folders sort like Finder (file-2 before file-10), sizes under 1 GB show in MB, and long scans read "1 hr 2 min".

3 more changes

Earlier

  • 1.3.1OpenDisk now runs on macOS 14 Sonoma.
    • OpenDisk now runs on macOS 14 Sonoma.
    • When you empty the Collector you can now choose Move to Trash instead of deleting permanently, so you can put things back later.
    • New Back and Forward buttons, like Finder. Back goes up one level and Forward returns to the folder you just left. Use ⌘[ and ⌘], your mouse's side buttons, or a trackpad swipe. Unmount moves to ⌘E.
    • Rows in the list highlight on hover again, and the Collector popup no longer stays open, after a quick drop onto the Collector.
    • The saved scan no longer keeps growing after repeated rescans, and saving it is faster.
  • 1.3.0The Select a Disk window now updates on its own when you mount, eject or rename a volume. Network shares, external drives and disk images appear without restarting OpenDisk.
    • The Select a Disk window now updates on its own when you mount, eject or rename a volume. Network shares, external drives and disk images appear without restarting OpenDisk.
  • 1.2.9Breadcrumbs at the top of the window now respond to clicks on macOS 15 Sequoia. Long paths collapse the middle folders instead of scrolling sideways.
    • Breadcrumbs at the top of the window now respond to clicks on macOS 15 Sequoia. Long paths collapse the middle folders instead of scrolling sideways.
    • Keyboard shortcuts for moving through the list, opening folders, Quick Look, Show in Finder and adding items to the Collector. Change any of them in Settings.
    • Refresh now returns to the top level and rescans the whole disk.
    • A new setting in Settings > Chart turns off the free space wedge, so scanned folders fill the chart on large, mostly empty drives.
Source
GitHub releases
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