PaneSpace: A Four-Pane File Manager for macOS

When a task involves a project folder, a downloads directory, and an external disk, the hardest part is often keeping all three in view. PaneSpace is a native macOS file manager built around multiple cooperating panes, so you can browse and move local files without repeatedly rearranging Finder windows. It is an early preview, but its current release already includes a thoughtful set of everyday file workflows.

Keep up to four folders in view

PaneSpace offers twelve window arrangements, from a single pane to symmetric splits, uneven layouts, and a four-pane grid. Each pane can keep its own tabs and navigation history, which is useful when you want one side to stay on a source folder while another moves between destinations.

The window remembers its pane layout for the next launch. That makes the app feel less like a collection of temporary split views and more like a workspace you can return to, even though saved named workspaces are still on the roadmap.

Switch between list and column browsing

Use a familiar list when filenames and sorting matter, or a multi-level column view when you want to follow a folder hierarchy. Back, forward, parent-folder navigation, and left/right arrow keys keep routine browsing close at hand.

Keyboard controls help when your hands are already on the keyboard: Command-L enters a path, Tab and Shift-Tab move focus between panes, and Command-W closes the active tab or pane. Each pane keeps its own browsing context instead of forcing every folder into one shared history.

Move files between panes with clear feedback

Copy, move, or drag local files from one pane to another. PaneSpace reports transfer progress in bytes, lets you cancel while a large file is still being copied, and offers retry when a transfer fails.

When a destination already contains a file with the same name, you can skip it, keep both, replace it, or apply a choice to the remaining conflicts. That is a more deliberate workflow than discovering an overwrite after switching folders and losing track of what happened.

Handle common file tasks without leaving the window

Favorites and mounted volumes live in the sidebar. Search, sorting, hidden-file visibility, folder creation, renaming, moving items to Trash, Quick Look, opening with the default app, and revealing a file in Finder cover many of the small jobs that otherwise interrupt a two-pane workflow.

The clipboard works with Finder in both directions: copy a selection with Command-C and paste it into a pane with Command-V, or bring files across from Finder. Pasting into the same folder creates a copy, matching an important Finder convention.

Select and rename batches more safely

Selection behaves much like Finder. Shift-click selects a range, Command-click toggles individual items, Shift-arrow extends a selection, and Command-A selects everything in the current view.

For a batch rename, replace text, add a prefix or suffix, or number the filenames. A live preview flags name conflicts before you commit; the v0.1.1 release also says the app restores original names if a rename operation fails.

Review and undo supported file operations

Copies, moves, renames, new folders, and moves to Trash appear in a persistent Operation History under Transfer. Reopen it after restarting PaneSpace, or use Control-Command-H to get there directly.

Command-Z can undo supported operations using recoverable steps. The project explicitly avoids permanent deletion as part of undo, a useful safeguard while learning a new file manager. Treat history as a recovery aid, not a substitute for a separate backup.

Large folders load progressively

The project says folders with tens of thousands of items can show their first entries before sorting finishes in the background. That approach aims to keep the window responsive while a large directory is still being prepared.

This is a practical improvement for repositories, media folders, and other large trees, though the project is young and its performance claims should not be read as a benchmark across every disk or Mac.

Know what the preview does not support

PaneSpace currently works with the local file system. SFTP, SMB, and WebDAV are planned, not available features, so it is not yet a single window for local and network storage. The project also notes that persistent security-scoped bookmarks for sandboxed distribution are not implemented; file access depends on the permissions macOS grants to the running app.

The interface is currently available in English and Simplified Chinese. PaneSpace is still a preview release, so keep independent backups for important files and review the project's roadmap before relying on a capability that is marked as planned.

Install the official v0.1.1 preview

The current official release checked for this article is v0.1.1. Download the PaneSpace 0.1.1 Apple silicon ZIP directly, or open the v0.1.1 release notes to review the changes and checksum. The prebuilt download is for Apple silicon Macs running macOS 26 or later; Intel Macs are not listed as supported.

Extract the ZIP and move PaneSpace.app into Applications. You do not need to build from source when this release package is available. The project says the build is ad-hoc signed and not notarized; if macOS blocks the first launch, Control-click the app in Finder, choose Open, and confirm the prompt.

If you prefer to inspect or build the source, the repository README lists macOS 26+, Xcode 26+ or a compatible Swift 6.2 toolchain, and commands for running or building the app. The source is published under the MIT License.

A focused alternative for local file work

PaneSpace is most interesting if you regularly shuttle files among a few working folders and want tabs, selection, transfer progress, and history to stay visible in one window. Its four-pane layouts are a clear organizing idea, while batch renaming and recoverable undo add practical depth beyond simple side-by-side browsing.

If you need network shares today, a notarized installer, or a stable long-term workflow, check the release and roadmap before switching. For local file management on a recent Apple silicon Mac, the official v0.1.1 download is the quickest way to try it.

curl -L -o PaneSpace-0.1.1-macos-arm64.zip https://github.com/Rowan-rh/PaneSpace/releases/download/v0.1.1/PaneSpace-0.1.1-macos-arm64.zip
unzip PaneSpace-0.1.1-macos-arm64.zip
# Move PaneSpace.app into Applications. Requires Apple silicon and macOS 26+.