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README.md

OmniWM

OmniWM is a free, open-source, Developer ID-signed and Apple-notarized tiling window manager for Apple Silicon Macs running macOS 26 or later. It combines Niri-style orientation-aware scrolling containers and Hyprland-style Dwindle BSP layouts, selectable per workspace, with multi-monitor routing and optional local CLI/IPC automation.

Website · Documentation · Install · Compatibility

OmniWM — Do what you love easier, faster, better.

Demo Video

Watch the demo

Contributors

Thank you to everyone who contributed to OmniWM. Your ideas and code made a real difference.


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✨ All Contributors

Adelin Berard Aisling Albert Ilagan Aleksei Gurianov Alexander Dergachev Ayaan Sandhu Balazs Hevesi Brian Smyth chen259456754 Cristian Álvarez Belaustegui Filippo Zaffoni Henry Perschk Jan Hesters Janek Thomaschewski Jose Cardama Lukas Gerlinski Marcus Harlid Davin Matt Wicks mkdir700 mm muhammadkh Naoki Ikeguchi Nawat Suangburanakul Ngo Quoc Viet Panuphong Burakitphachai Rich Hanes rPio Ryan Hecht Steven Nance Taylor Bell Williamufo Yang-Yiming Yuri Chukhlib Zicochaos

macOS Apple Silicon OpenAI Assisted

BarutSRB%2FOmniWM | Trendshift

BarutSRB%2FOmniWM | Trendshift BarutSRB%2FOmniWM | Trendshift

Highlights

  • Ghostty-powered quake/sticky terminal
  • Native macOS window-tab support
  • Local IPC and omniwmctl automation
  • Scratchpads and sticky windows for any app
  • Overview
  • Unified command palette for windows and app menus
  • Menu Anywhere
  • Niri-style tabbed containers and Dwindle tile groups
  • Niri-style scrolling and Hyprland-style Dwindle BSP layouts
  • Status-bar icon concealment (similar to Ice)
  • Keep Awake (similar to Caffeine)
  • Interactive workspace and app-icon bar
  • Many more features not shown in the video.

Compatibility and Limitations

OmniWM requires Apple Silicon, macOS 26 or later, Accessibility, Input Monitoring, and Displays have separate Spaces. Screen Recording is optional. Read the complete Compatibility, Requirements & Limitations page before installing.

  • Dwindle restore scope — After a restart OmniWM rebuilds each Dwindle workspace from the persisted placements: split orientation and ratio, tab-group membership, tab order, and the active tab. Fullscreen state and the selected window are not restored, and once a window without a persisted placement is present, later windows insert normally instead of being placed from the catalog.
  • Scratchpad membership — Window membership lasts for the current OmniWM process. Scratchpad labels persist, but memberships do not.

Performance & Trust

OmniWM is built for high responsiveness and smooth, crisp animations.

  • Direct macOS integration — OmniWM uses public frameworks and selected Apple private APIs for window management and visual surfaces.
  • Refresh-rate-aware animations — Animation pacing follows the active display refresh rate, including 60, 120, and 144 Hz displays.
  • SIP stays enabled — Official OmniWM releases do not require disabling System Integrity Protection.
  • Signed and notarized releases — Official release builds are Developer ID signed and Apple-notarized.
  • Free and open source — OmniWM has no subscriptions, feature paywalls, trial limits, or usage caps and is licensed GPL-2.0-only.

Requirements

  • macOS 26+ (Tahoe) on Apple Silicon
  • Accessibility and Input Monitoring permissions (required at launch)
  • Screen Recording permission for Overview thumbnails, drag previews, and captured Hidden Bar glyphs (optional)
  • Displays have separate spaces ON (the macOS default; OmniWM pauses window management until it is enabled)

Installation

Homebrew

OmniWM is in the official Homebrew cask repository:

brew install --cask omniwm

This installs OmniWM.app and puts omniwmctl on your PATH.

Upgrading

Quit OmniWM first, then run brew upgrade omniwm and relaunch it. Homebrew replaces the app bundle underneath a running OmniWM.

Migrating from the project tap

BarutSRB/tap is retired: 0.6.7 was its final release, and every later version ships only through the official cask. If you installed from the tap, quit OmniWM and run these commands in this order:

brew update
brew upgrade omniwm
brew untap BarutSRB/tap

brew update has to come first: it fetches the retired tap's redirect to the official cask and moves your install over. Untapping before that would offer to uninstall OmniWM. brew reinstall --cask homebrew/cask/omniwm is optional and only switches the install record to the official cask right away.

Nix

OmniWM is packaged in nixpkgs, maintained by mmfallacy and samiser, and Home Manager ships an official programs.omniwm module, maintained by DavSanchez. The package installs the signed release artifact with bsdtar, so the Developer ID signature stays valid, and exposes OmniWM and omniwmctl on PATH. Both currently live on unstable branches only (the nixpkgs unstable channels and Home Manager master) and may trail the latest GitHub release.

Install the package directly:

nix profile install nixpkgs#omniwm

With nix-darwin or Home Manager, add pkgs.omniwm to environment.systemPackages or home.packages.

For a declarative setup, enable the Home Manager module. It installs the package, runs OmniWM as a launchd agent, and writes ~/.config/omniwm/settings.toml from an attribute set or a tracked TOML file:

programs.omniwm = {
  enable = true;
  settings = ./omniwm-settings.toml;
};

After either installation, complete the macOS setup in steps 3-6 below.

GitHub Releases

  1. Download the latest OmniWM-v<version>.zip app archive from Releases
  2. Extract and move OmniWM.app to /Applications
  3. In System Settings > Desktop & Dock > Mission Control, turn ON Displays have separate Spaces
  4. Log out of macOS and log back in for that change to take effect unless you had it on already
  5. Launch OmniWM and grant Accessibility and Input Monitoring when prompted
  6. Optionally grant Screen Recording for capture-derived visuals

Updates

OmniWM checks for updates by default.

  • On launch, OmniWM polls the latest GitHub release at most once per day.
  • Updates stay manual. OmniWM does not auto-download or auto-install a new release.
  • When a newer release is available, OmniWM shows a centered popup with release notes and actions for Open Release Page, Copy brew upgrade omniwm, Skip This Version, and Not Now.
  • You can control this from Settings > General > Updates or trigger a manual check from the status bar menu with Check for Updates....

Documentation

The canonical documentation hub lives at omniwm.app.

IPC and CLI

OmniWM ships with a bundled CLI, omniwmctl, for automation and scripting.

IPC is disabled by default. Enable Enable IPC from the menu bar before using the CLI or any automation.

Diagnostics can be scripted with omniwmctl capture start trace, omniwmctl capture start performance, omniwmctl capture stop, and omniwmctl capture status.

For setup, installation options, commands, queries, rules, subscriptions, and security details, see the IPC & CLI Reference.

Quick Start

  1. Launch OmniWM from your Applications folder
  2. In System Settings > Desktop & Dock > Mission Control, turn ON Displays have separate Spaces
  3. Log out of macOS and log back in for that change to take effect unless you had it on already
  4. Grant Accessibility and Input Monitoring in the launch permissions window
  5. Windows will automatically tile in orientation-aware Niri containers: monitors using horizontal orientation show columns that scroll left and right, while vertical orientation shows rows that scroll up and down
  6. Keep one macOS Space per display and navigate with OmniWM workspaces; extra native Spaces are tolerated (their windows are left to macOS, not tiled)
  7. Use the defaults in Keyboard Shortcuts to navigate, and customize them in Settings > Hotkeys
  8. Click the menu bar icon to access Settings, including Settings > General > Updates
  9. Enable Start at Login under Settings > General > Startup to launch OmniWM automatically when you log in
  10. Use Check for Updates... from the status bar menu whenever you want to run a manual update check
  11. On macOS 27+, if you enable Hidden Bar and selected menu-bar icons disappear, right-click or Option-click OmniWM's menu-bar icon to open the Hidden Icons Bar and click any icon to use it.

User Guide

Multi-Monitor Setup

OmniWM uses two display maps for different jobs:

  1. Open System Settings > Displays > Arrange. Put the physically largest or widest display at the bottom. Place the next smaller display above and to its right so its bottom-left corner touches the lower display's top-right corner. Continue the same staircase for every additional display. This macOS map is a technical arrangement used for actual window placement; it does not need to look like your desk.
  2. Open OmniWM Settings > Monitors and arrange the OmniWM routing map to match where the displays really sit on your desk. Tiles can be separated by empty grid cells, but every display must remain connected through a chain of shared rows or columns. A diagonal-only tile is disconnected and cannot exchange directional focus, window moves, or mouse warp.
  3. Assign at least one workspace to every connected display. Window moves between displays need a destination workspace, so the setup assistant will not finish while a display is uncovered. You can reassign an existing workspace or explicitly add one for that display.
  4. Leave Mouse Warp turned on for the recommended experience. It lets the pointer cross between displays according to the real-desk OmniWM map even though macOS uses the staircase.

The setup assistant opens automatically when OmniWM first sees multiple displays. To review or redo it later, choose Run Monitor Setup… in Settings > Monitors. The assistant's Show Numbers on Screens action helps match each physical display to its tile. Routing, workspace-home, and Mouse Warp changes remain drafts until you finish the assistant.

Custom arrangements are remembered for each set of connected displays, so home and work can keep different positions for the same laptop display. Reconnecting a saved set restores its arrangement automatically. If there is no exact match, OmniWM inherits the smallest saved arrangement containing every connected display; an uncovered set or an invalid grid follows macOS. Editing, resetting, or finishing setup saves only the connected set, leaving any larger arrangement unchanged. Simply connecting displays or opening Settings does not save an arrangement. Workspace assignments and other per-monitor settings remain separate.

Layout Modes

OmniWM offers two layout engines that you can switch between per workspace:

Niri (Orientation-Aware Scrolling Containers) - On monitors using horizontal orientation, windows form vertical columns that scroll left and right; in vertical orientation, they form horizontal rows that scroll up and down. Each container can hold multiple windows or be "tabbed" (multiple windows, one visible at a time).

Hyprland Dwindle (BSP) - Binary space partition layout that recursively divides screen space. Each new window splits the space in half, and a tile can group multiple windows as tabs. Best for traditional tiling with predictable layouts.

Use the Toggle Workspace Layout shortcut below to switch layouts per workspace or configure them in GUI settings.

Keyboard Shortcuts

All shortcuts are customizable in Settings > Hotkeys. Hyper is the literal Control + Option + Shift + Command chord by default; which modifiers make up Hyper is configurable in Settings > Hotkeys (for example, exclude Shift to keep Hyper + Shift + … free for extra bindings). Changing the combination retargets every shortcut that currently resolves to Hyper onto the new one, so the shortcut list updates in place as you toggle the modifiers. Optionally pick a System Hyper Trigger — a single key (Caps Lock, F13–F20, or a left- or right-side modifier) or an extra mouse button that acts as Hyper while held (this needs Input Monitoring permission). Leave the trigger as None if you already produce Hyper another way, such as a Karabiner Elements remap. The tables below list all the default hotkeys:

Layout legend:

  • Shared works in any active layout.
  • Niri works only when the active workspace uses the Niri layout.
  • Dwindle works only when the active workspace uses the Dwindle layout.

Settings hides advanced actions from the shortcut list by default. Turn on Include Advanced Commands in Settings > Hotkeys to see and bind them; the tables below include both standard and advanced actions.

Workspace

ActionDefault ShortcutLayout
Switch to Workspace 1-9Option + 1-9Shared
Move Window to Workspace 1-9Option + Shift + 1-9Shared
Switch to Last Active Workspace (Back and Forth)Control + Option + TabShared
Switch to Next WorkspaceUnassignedShared
Switch to Previous Workspace (Sequential)UnassignedShared
Move Window to Workspace UpControl + Option + Shift + Up ArrowShared
Move Window to Workspace DownControl + Option + Shift + Down ArrowShared
Move Column to Workspace 1-9UnassignedNiri
Move Column to Workspace UpControl + Option + Shift + Page UpNiri
Move Column to Workspace DownControl + Option + Shift + Page DownNiri

Focus

ActionDefault ShortcutLayout
Focus Left / Right / Up / DownOption + Arrow KeysShared
Focus Down or Top / Up or BottomUnassignedShared
Focus Top Window / Bottom WindowUnassignedNiri
Focus Window or Workspace Down / UpUnassignedNiri
Focus Previous WindowOption + TabShared
Traverse BackwardUnassignedNiri
Traverse ForwardUnassignedNiri
Focus First ColumnOption + HomeNiri
Focus Last ColumnOption + EndNiri
Focus Column 1-9Control + Option + 1-9Niri
Focus Window 1-9 in ColumnUnassignedNiri
Toggle Command PaletteControl + Option + SpaceShared
Open Menu AnywhereControl + Option + MShared
Toggle Workspace BarUnassignedShared
Toggle Hidden Icons BarUnassignedShared
Toggle Quake TerminalOption + `Shared
Toggle OverviewOption + Shift + OShared
Toggle System StatsUnassignedShared

Move Window

ActionDefault ShortcutLayout
Move Left / Right / Up / DownOption + Shift + Arrow KeysShared
Reorder Window Up / DownUnassignedShared
Move Window Down or to Workspace Down / Up or to Workspace UpUnassignedNiri
Consume Window into Column / Expel Window from ColumnUnassignedNiri

Monitor

ActionDefault ShortcutLayout
Focus Next MonitorControl + Command + TabShared
Focus Previous MonitorUnassignedShared
Focus Last MonitorControl + Command + `Shared
Move Workspace to Left / Right / Up / Down MonitorUnassignedShared
Move Window to Left / Right / Up / Down MonitorUnassignedShared

The workspace-to-monitor actions target the active workspace and intentionally use the same temporary runtime override as omniwmctl workspace move-to-monitor --force. They do not rewrite the workspace's Home Monitor or swap workspaces, and unsafe fullscreen, hidden-app, scratchpad, or focus states still block the move.

The window-to-monitor actions send the focused window directly to the current workspace on the adjacent routed display, independently of Move Window Across Monitor at Edge. The destination display must have at least one assigned workspace, which the Monitor Setup assistant verifies. They do not wrap when no monitor exists in that direction. Follow Window to Monitor controls whether focus follows the window; when it is off, you remain in the source workspace.

Layout

ActionDefault ShortcutLayout
Toggle FullscreenOption + ReturnShared
Toggle Native FullscreenUnassignedShared
Balance SizesOption + Shift + BShared
Cycle Size ForwardOption + .Shared
Cycle Size BackwardOption + ,Shared
Move to RootUnassignedDwindle
Toggle SplitUnassignedDwindle
Swap SplitUnassignedDwindle
Grow Horizontally / VerticallyUnassignedDwindle
Shrink Horizontally / VerticallyUnassignedDwindle
Grow / Shrink Focused WindowUnassignedDwindle
Preselect Left / Right / Up / DownUnassignedDwindle
Clear PreselectionUnassignedDwindle
Raise All Floating WindowsOption + Shift + RShared
Rescue Off-Screen Floating WindowsUnassignedShared
Toggle Focused Window FloatingUnassignedShared
Assign Focused Window to Scratchpad 1-10UnassignedShared
Toggle Scratchpad 1-10UnassignedShared
Toggle Workspace LayoutOption + Shift + LShared

Container and Column

ActionDefault ShortcutLayout
Move Container Left / RightControl + Option + Shift + Left / Right ArrowShared
Move Container Up / DownUnassignedDwindle
Toggle Column TabbedOption + TNiri
Toggle Container Full Primary SpanOption + Shift + FNiri
Expand Container to Available Primary SpanControl + Option + FNiri
Move Column to First / LastControl + Option + Home / EndNiri
Move Column to Index 1-9UnassignedNiri
Set Container Primary Span -10% / +10%Option + - / Option + =Niri
Set Window Secondary Span -10% / +10%Option + Shift + - / Option + Shift + =Niri
Set Window Primary Span -10% / +10%UnassignedNiri
Reset Window Secondary SpanControl + Option + RNiri
Cycle Window Primary Span Forward / BackwardUnassignedNiri
Cycle Window Secondary Span Forward / BackwardUnassignedNiri
Center ColumnUnassignedNiri
Center Visible ColumnsUnassignedNiri

Consume or Expel Window Left / Right exist as automation-only actions. They are reachable from omniwmctl but never appear in Settings > Hotkeys, because they intentionally cannot be bound to a shortcut.

The daily Focus and Move shortcuts adapt to the active layout and Niri orientation. In horizontal Niri orientation, Move Left / Right consumes or expels across columns while Move Up / Down reorders within a column. Vertical orientation rotates those roles: Move Up / Down consumes or expels across rows while Move Left / Right reorders within a row.

Dwindle Groups

Dwindle groups use the existing Focus and Move bindings, so there are no separate group shortcuts to memorize. Only the active member occupies the tile; the other members stay hidden and the clickable tab rail shows their order.

GoalDefault ShortcutBehavior
Focus another tileOption + Arrow KeysLeft / Right are always spatial. Up / Down are spatial for a singleton tile.
Select the next / previous tabOption + Down / Up ArrowWithin a group, Down advances and Up goes back. At the group edge OmniWM tries a spatial tile, then the configured monitor transition, and wraps locally only when neither exit succeeds.
Join a singleton into a tile or groupOption + Shift + Arrow KeysJoins the focused singleton with the touching tile in that direction.
Extract the active tabOption + Shift + Arrow KeysWhen the focused tile is grouped, extracts only its active tab onto the requested side.
Move the complete tile or groupControl + Option + Shift + Left / Right ArrowMove Container swaps the whole structure. Up / Down are advanced, unassigned Dwindle actions.
Select an exact tabClick its tab rail itemReveals and focuses that member without changing the group order.

Moving a tab directly from one existing group into another is intentionally a two-step operation: extract it first, then move the resulting singleton toward the destination group. A singleton at a genuine workspace edge can still use the normal cross-monitor Move behavior; a rejected group mutation does not fall through to tile swapping or monitor movement.

The unassigned advanced actions are available in Settings > Hotkeys. Focus Down or Top / Up or Bottom always wraps within the active Niri column or Dwindle group. Reorder Window Up / Down changes the active member's position by one without wrapping. Move Container is the whole-structure escape hatch and never transfers to another monitor at a workspace edge. Dwindle join/extract and Move Container operations are intentionally unavailable while Overview is open; leave Overview before changing a Dwindle tree.

Quake Terminal (Inside Terminal)

ActionShortcut
New TabCmd + T
Close TabCmd + W
Next TabCmd + Shift + ]
Previous TabCmd + Shift + [
Next Tab (Alt)Ctrl + Tab
Previous Tab (Alt)Ctrl + Shift + Tab
Select Tab 1-9Cmd + 1-9
Split Pane (Horizontal)Cmd + D
Split Pane (Vertical)Cmd + Shift + D
Close PaneCmd + Shift + W
Equalize SplitsCmd + Shift + =
Navigate PaneCmd + Option + Arrow Keys

Features

Quake Terminal

A true quake/sticky terminal (powered by Ghostty's libghostty) that slides in from the screen edge and:

  • Toggle it from the global shortcut shown in Keyboard Shortcuts
  • Supports multiple tabs and splits within tabs
  • Tab and pane shortcuts are listed in Quake Terminal (Inside Terminal)
  • Mouse resize by dragging edges; Option + drag to move (remembers size/position per monitor)
  • Configure position (top/bottom/left/right/center), size, opacity, and background effect in Settings
  • Choose Standard Blur with an adjustable radius or native Regular Glass/Clear Glass; switching effects preserves the saved Standard Blur radius
  • Auto-hides on focus loss (optional)

Command Palette

Quickly search windows, app menus, or clipboard history from one shared palette:

  • Open it from the global shortcut shown in Keyboard Shortcuts
  • Use Tab / Shift + Tab to cycle forward or backward through the available modes
  • Use Cmd + 1 for Windows, Cmd + 2 for Menu, and Cmd + 3 for Clipboard
  • Type to fuzzy-search by window title, app name, menu item, or clipboard content
  • Menu results always show keyboard shortcuts when available
  • Up / Down move the selection
  • Enter activates the selected result
  • Windows from macOS-hidden apps remain searchable with a Hidden badge; selecting one unhides its app and focuses that exact window
  • Shift + Enter summons the selected window to the right when available
  • Escape dismisses the palette

Menu Anywhere

Access any application's menu from your keyboard:

  • Shows the native menu at the cursor from a global shortcut

Overview Mode

See all windows at once with thumbnails:

  • Open it from the global shortcut shown in Keyboard Shortcuts
  • Configure the 50–150% baseline zoom plus backdrop and window-border colors in Settings → Overview
  • Click a window to focus it
  • Type to filter/search windows; Backspace deletes search text
  • Alt (Option) + Shift + Mouse Scroll temporarily zooms the current overview; the next opening starts from the configured baseline
  • Arrow Keys navigate spatially; Left / Right stay within the current workspace. Tab / Shift + Tab cycle forward or backward through matching windows, and keyboard navigation automatically scrolls the selected thumbnail into view
  • Assigned structural move, reorder, consume/expel, and workspace-transfer shortcuts operate on the selected thumbnail while Overview is open
  • In Niri workspaces, reorder windows and columns, consume or expel windows, move windows into or out of columns, move windows across workspaces and monitors, and move whole columns between Niri workspaces
  • Adjacent-workspace fallback actions can create the next compatible unused numeric workspace when moving past the current workspace edge
  • In Dwindle workspaces, Overview supports moving windows across workspaces and closing them without adding Overview-only tree placement controls
  • A successful move keeps the moved window selected and activates its destination workspace and monitor behind Overview
  • Option + drag a thumbnail onto a workspace, an exact window position, or a Niri column gap; layouts without an exact placement equivalent fall back to moving it to the destination workspace
  • Command + W closes the selected window once per press and keeps Overview open; selection advances only after the window has closed
  • Enter, Escape, the configured Overview shortcut, and clicking the backdrop dismiss Overview and focus the current selection; Escape does not clear search first
  • If another application takes focus, Overview dismisses without stealing focus back

Workspace Bar

A visual indicator showing your workspaces:

  • Displays open apps per workspace
  • Click to switch workspaces or jump to that app
  • When Deduplicate App Icons is enabled, multiple windows from one app share an icon; click a grouped icon to open their window list, while a single-window icon focuses that window directly
  • Marks macOS-hidden windows with an eye-slash badge; selecting a hidden window unhides its app and focuses that exact window
  • Configure position, height, and appearance in Settings
  • Optionally show a System Stats button that opens a CPU, memory, GPU, disk, and uptime popup. Toggle System Stats and omniwmctl command toggle-system-stats drive the same popup, and both do nothing unless a monitor currently shows that workspace-bar button
  • Optionally hide the bar on a monitor while that monitor shows a macOS native fullscreen window, and bring it back on exit (Hide in Native Fullscreen); reserved tiled layout space is left untouched so windows do not shuffle around the fullscreen session
  • Exclude individual apps or choose alternate app icons across all monitors in Settings

Workspace-bar icon overrides can also be configured in settings.toml. Quote bundle IDs so TOML treats each dotted identifier as one key:

[workspaceBar.iconOverrides]
"com.example.App" = "icons/custom.icns"
"com.cmuxterm.app" = "bundle-resource:AppIconDark"

bundle-resource: loads a named image packaged inside the selected app. The Settings picker discovers likely app-icon resources on demand; runtime-generated or downloaded Dock icons may not be available. Absolute paths are used as written, ~ expands to your home directory, and relative paths are resolved from the directory containing settings.toml. Overrides affect only the workspace bar. A valid override takes precedence over the app's standard icon; an unavailable or invalid image falls back to the standard icon, then the dashed placeholder when no app icon is available. OmniWM does not watch image files; use Replace to reload a file changed in place.

Hidden Bar

Conceal selected menu-bar icons and reach them from a panel:

  • Concealment requires macOS 27 or later; the rest of OmniWM continues to support macOS 26
  • Pick the apps to hide in Settings > Hidden Bar
  • Right-click (or Option-click) the OmniWM menu bar icon to open the Hidden Icons Bar; click an icon to reveal and use it
  • Revealed icons re-hide automatically after a configurable interval
  • An optional global hotkey is available and starts unassigned

Tips

  • Workspaces - Create named workspaces in Settings to organize by project or context (You can use emojis 🥳)
  • App Rules - Exclude problematic apps from tiling or assign them to specific workspaces
  • Mouse - On the Niri desktop, hold the configured mouse-move modifier and drag to swap tiled windows; add Shift to insert into a column. The modifier defaults to Option and can be changed or disabled in Settings → Mouse & Trackpad. In Overview, Option + drag targets a workspace, window position, or Niri column gap
  • Mouse Resize - Hold the configured right-mouse resize modifier (Option by default) and right-drag a tiled window to resize it in either layout
  • Scroll Gestures (Mouse) - Hold Option + Shift + Mouse Scroll Wheel (default, configurable) to scroll along the active Niri primary axis: left/right in horizontal orientation or up/down in vertical orientation
  • Trackpad Gestures - Use 2/3/4-finger gestures (configurable) along the active Niri primary axis; direction can be inverted (local hardware validation is limited)
  • Workspace Swipe (Trackpad) - Opt-in in Settings → Mouse & Trackpad: swipe with a configurable finger count (2/3/4) and axis (horizontal/vertical) to switch to the next/previous workspace on the monitor under the cursor, one switch per swipe; sharing the column-scroll finger count locks the axis to vertical. For vertical swipes with three or four fingers, first turn off Mission Control in  → System Settings → Trackpad → More Gestures so macOS does not intercept the gesture.

Configuration

Access settings by clicking OmniWM's status bar icon and selecting Settings or App Rules. Mouse and gesture settings live in Settings under Mouse & Trackpad.

Settings > General also carries a System-wide Window Corners control (macOS 26.4+). It writes the system-wide preference, so it changes standard Mac app windows everywhere — including windows OmniWM does not manage — and apps that draw their own window chrome may ignore it. Affected apps must be fully quit and reopened before the new radius applies.

OmniWM stores its editable config at ${XDG_CONFIG_HOME:-$HOME/.config}/omniwm/settings.toml; that file is the canonical settings source and is live-reloaded when saved from an editor.

  • Reveal Settings File and Edit Settings File open the canonical TOML file and recreate it from the running settings if it was deleted.
  • updateChecksEnabled is part of the persisted settings model, so it round-trips through settings.toml.
  • Clipboard history, last-check timestamps, skipped-release state, and the persisted window restore catalog live in ${XDG_STATE_HOME:-$HOME/.local/state}/omniwm and stay out of dotfile-oriented config storage.

Scratchpads

A scratchpad is a slot that holds any number of floating windows and overlays them on the workspace you are looking at. There are ten slots, numbered 1 to 10; a slot with no windows in it is inert and invisible.

  • Assign Focused Window to Scratchpad N moves the focused window into slot N, floating it if it was tiled and parking it off-screen. Pressing the same shortcut again on a window already in slot N returns it to the layout.
  • Toggle Scratchpad N reveals every window in slot N on the monitor you are interacting with, or parks them again if they are already there. Revealing a slot parks whichever slot was showing, so at most one scratchpad is on screen at a time.
  • A revealed scratchpad follows you across workspace switches and stays up until you toggle it off. If it is showing on another monitor, its shortcut summons it to the one you are on.
  • Revealed windows are ordinary floating windows: whether clicking something underneath pushes them behind it is governed by the usual focus and raise behaviour, including Raise Window When Focus Follows Mouse.

Each non-empty slot gets a pill in the workspace bar showing its name and its windows' icons; clicking the pill toggles that scratchpad. Slots are identified by number everywhere, and an optional label replaces the number in the workspace bar and in omniwmctl output:

[scratchpads.labels]
1 = "term"
3 = "COMMS"

Scratchpad membership lasts for the lifetime of the OmniWM process; only the labels are persisted.

App Rules

Open App Rules from OmniWM's status-bar menu to configure window-matching behavior. Rules can match by bundle ID, app-name substring, title substring or regex, and AX role/subrole. More-specific matches win; ties follow list order.

  • Layout (Automatic / Tile / Float) - Leave classification automatic, or force matching windows to tile or float
  • Assign to Workspace - Use a valid workspace assignment as the initial default whenever the matching app currently has no tracked windows. Additional windows open on the workspace active when creation began. Automatic rule reevaluation leaves managed windows in place, while explicit rule application can move them. Readmission, structural replacements, and unique persisted boot-restore matches preserve their existing placement continuity.
  • Initial Container Primary Span (Niri) - Start matching resizable windows at 5–100% when they create or claim a new container; the container remains freely resizable afterward
  • Minimum Size - Prevent the layout engine from sizing windows below a threshold

Structural admission runs before ordinary rule ranking. Help tags, input-method surfaces, and WindowServer children of another window stay unmanaged. At ordinary WindowServer levels, a closeable, parentless accessory-app AXWindow is eligible for normal classification. Buttonless accessory roots, prohibited-app roots, non-AXWindow roles, and otherwise unsupported AX subroles require an identifying rule with exact axRole and axSubrole values plus a Tile or Float layout. Parentless roots at status-window level or higher use the same precise shape, but only a user rule can opt them in; built-in rules cannot. A broad bundle/title rule or Automatic layout does not cross these gates.

Initial container primary span is a one-time seed. It controls width in horizontal orientation and height in vertical orientation. Niri's Single Window Fit still takes visual precedence for a lone window, and physical minimum-size constraints can clamp the resolved pixel size without changing the stored initial proportion.

The equivalent TOML rule uses a proportion:

[[appRules]]
bundleId = "net.kovidgoyal.kitty"
initialContainerPrimarySpan = 0.5

Building from Source

Requirements:

  • SwiftPM with Swift 6.4+
  • macOS 26.0+
  • A complete GhosttyKit xcframework at Frameworks/GhosttyKit.xcframework. Download the latest GhosttyKit.xcframework-v<version>.zip asset from Releases and extract it into Frameworks/, or replace the complete bundle with one you build from Ghostty.
  • The build preflight verifies the internal arm64 archive at the path pinned in Scripts/build-metadata.env (currently Frameworks/GhosttyKit.xcframework/macos-arm64/libghostty-internal.a) is arm64-only and matches the pinned SHA-256. If you rebuild GhosttyKit, replace the complete xcframework and update the metadata pin.

Use the bundled Debug launch for day-to-day development:

make run

make run builds, packages, development-signs, and opens dist/OmniWM.app through LaunchServices. This is the canonical development launch because it gives OmniWM its normal app identity. OmniWM uses its native status bar item while Hidden Bar concealment is inactive. While concealment is active, it uses a separate fallback icon beside a visible workspace bar, or near the display's top center when no workspace bar is visible, because macOS can conceal the app-owned status item with the other restricted items. This behavior applies to both bundled and raw swift run OmniWM launches and is not specific to Debug builds.

Community Integrations

  • omacosy is an Omarchy-inspired macOS desktop setup that supports OmniWM as a tiling window manager, with a custom status bar and coordinated desktop themes.
  • OmniWM Computer Use is a community-maintained Codex skill for focus-safe Computer Use, browser automation, and app testing through omniwmctl across OmniWM workspaces and displays.
  • OmniCast is a community-maintained Raycast extension for controlling OmniWM with plain-English search and commands through omniwmctl.

Related Forks

  • Nehir is an endorsed OmniWM fork focused on a narrower, more opinionated Niri-style scrolling-column workflow. It may be friendlier for beginners who want guided defaults and a smaller feature surface, while OmniWM remains the broader upstream project with multiple layout modes and the full feature set.
  • choru-k/OmniWM is an interesting personal OmniWM fork experimenting with opt-in workflow layers on top of upstream OmniWM, including zone anchors for the Niri strip, a configurable F13-F20 leader-key chord menu, tabbed-column keyboard cycling, and trackpad-friendly modifier resizing. It is best read as a power-user workflow branch rather than a replacement for the main OmniWM release.

Support

If you find OmniWM useful, consider supporting development:

Reporting Bugs

The best way to report a bug is from inside OmniWM: open the status-bar menu and choose Report a Bug…. That opens the in-app report form, where recording or attaching trace and crash evidence is optional. On submit, OmniWM prepares one fresh diagnostic .log (with any evidence you selected appended), reveals it in Finder for you to attach, and opens a pre-filled GitHub issue — OmniWM never sees your GitHub login. Review the .log before attaching it to a public issue: it can include settings, app and window titles, and title-based rule matchers.

Prefer the web? The GitHub issue form works too; please include your OmniWM and macOS versions there.

Contributing

Issues and pull requests are welcome on GitHub.

Start with CONTRIBUTING.md for the actual project guidelines, expectations, and preferred direction.

For deeper technical context, edit the source pages used by the documentation site:

The similarly named files under docs/ are compatibility stubs that direct old links to omniwm.app.

License

OmniWM is licensed under the GNU General Public License v2.0-only. Copyright (C) 2026 BarutSRB — https://github.com/BarutSRB/OmniWM.

Every source file carries an SPDX license header. Forks and redistributions must retain these notices and the LICENSE file, and remain GPL-2.0-only with source available.

关于 About

Free, open-source tiling window manager for Apple Silicon Macs, with Niri-style scrolling containers and Hyprland-style Dwindle BSP.
aerospacedesktop-environmentdwindle-layouthyprlandmacmacosniripaperwmproductivityswifttilingtiling-window-managerwindow-managementwindow-managerworkspace-manager

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