OmniWM

A powerful tiling window manager for macOS.

Features

• Column-based tiling - Niri-inspired layout engine that automatically arranges windows in columns
• Multiple workspaces - Create and manage virtual workspaces with per-monitor assignment
• 40+ keyboard shortcuts - Navigate, move, and resize windows efficiently (all customizable)
• App rules - Configure per-application behavior (floating, workspace assignment, minimum size)
• Window borders - Visual indicator for the focused window
• Fuzzy finder - Press Option + Space to search through all windows and navigate directly to them
• Window tabs - Group multiple windows into tabbed containers for better organization
• Workspace bar - Menu bar widget with sorted app icons; click any icon to navigate to that window
• Focus follows mouse - Optionally focus windows when hovering over them

Known Limitations

• Multi-monitor support - Not fully tested (developer lacks multi-monitor setup)
• Gestures/Trackpad - Magic Mouse and trackpad gestures are untested (no hardware available for testing)

Requirements

• macOS 26.0 (Sequoia) or later
• Accessibility permissions (prompted on first launch)

Installation

The app is developer signed and notarized by Apple.

Homebrew

brew tap BarutSRB/tap
brew install omniwm

GitHub Releases

1. Download the latest OmniWM.zip from Releases
2. Extract and move OmniWM.app to /Applications
3. Launch OmniWM and grant Accessibility permissions when prompted

Quick Start

1. Launch OmniWM from your Applications folder
2. Grant Accessibility permissions in System Settings > Privacy & Security > Accessibility
3. Windows will automatically tile in columns
4. Use Option + Arrow keys to navigate between windows
5. Click the menu bar icon to access Settings

Configuration

Access settings by clicking the O menu bar icon and selecting Settings.

General

• Inner gaps - Spacing between windows
• Outer margins - Margins around the screen edges

Layout (Niri)

• Windows per column - Maximum windows stacked in each column
• Visible columns - Number of columns visible at once
• Center focused column - Behavior for centering the active column
• Single window aspect ratio - Constraint for single windows (16:9, 4:3, etc.)

Workspaces

• Create and name workspaces
• Assign workspaces to specific monitors
• Choose layout algorithm per workspace

Borders

• Enable/disable window borders
• Customize border color and width

Bar

• Show/hide workspace bar
• Configure position and appearance
• Per-monitor settings

Hotkeys

• Customize all keyboard shortcuts
• Visual key recording interface

App Rules

Configure per-application behavior in Settings > App Rules:

• Always Float - Force specific apps to always float (e.g., calculators, preferences windows)
• Assign to Workspace - Automatically move app windows to a specific workspace
• Minimum Size - Prevent the layout engine from sizing windows below a threshold

Building from Source

Requirements:

• Xcode with Swift 6.2+
• macOS 26.0+

Support

If you find OmniWM useful, consider supporting development:

• GitHub Sponsors
• PayPal

Contributing

Issues and pull requests are welcome on GitHub.