🐙 Tabu

A sleek, floating tab bar for Windows that lets you switch between open windows in a snap.

🌍 Available in: Español · Français · Deutsch · Português · Italiano · 日本語 · 中文 · 한국어 · Русский

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✨ What is Tabu?

Tabu is a lightweight, always-on-top tab bar that sits at the top of your screen — like browser tabs, but for all your open windows. No more Alt+Tab cycling or hunting through the taskbar. Just click and switch.

🎯 Click to Switch	🖥️ Multi-Monitor	🎨 Fully Customizable
One click, instant switch	Works across all screens	Themes, colors & more

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🚀 Features

🪟 Smart Window Management

• Real-time detection — Automatically discovers and tracks all open windows
• One-click switching — Click any tab to instantly bring that window to focus
• Close windows — Hover over a tab to reveal the close button
• Stable ordering — Tabs maintain consistent positions as windows open and close

🎨 Deep Customization

🌗 Themes System (auto-detect) Dark Light 🎨 10 Accent Colors 🟣 Purple · 🔵 Blue · 🔵 Cyan · 🟢 Teal · 🟢 Green 🟡 Yellow · 🟠 Orange · 🔴 Red · 🩷 Pink · 🌹 Rose

⚙️ Settings Bar opacity (30%–100%) Fixed or proportional tab width Show/hide branding Per-monitor or all-monitors mode Same-screen or all-windows detection

🌍 10 Languages

English · Español · Français · Deutsch · Português · Italiano · 日本語 · 中文 · 한국어 · Русский

🖥️ Multi-Monitor Ready

• Display the bar on your primary monitor or on all monitors
• Optionally show only windows from the same screen

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📦 Getting Started

Prerequisites

• Windows 10/11
• .NET 8.0 SDK or later

Build & Run

# Clone the repository
git clone https://github.com/your-username/tabu.git
cd tabu

# Build
dotnet build Tabu.sln

# Run
dotnet run --project src/Tabu.UI

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🏗️ Architecture

Tabu follows Clean Architecture principles with clear separation of concerns:

Tabu.sln
├── 📦 Tabu.Domain          Core entities & interfaces
│   ├── Entities/            TrackedWindow, ScreenInfo, UserSettings
│   └── Interfaces/          IWindowDetector, ISettingsRepository
│
├── 📦 Tabu.Application      Use cases & orchestration
│   └── Services/            WindowSwitcher
│
├── 📦 Tabu.Infrastructure   External integrations
│   ├── Win32/               Window detection via P/Invoke
│   └── Persistence/         JSON settings storage
│
└── 📦 Tabu.UI               WPF presentation layer
    ├── Views/               MainWindow, SettingsWindow
    ├── ViewModels/          MVVM with CommunityToolkit
    ├── Services/            Theme, Accent, Localization managers
    ├── Locales/             10 language resource files
    └── Styles/              Dark & Light theme resources

Tech Stack

Component	Technology
Framework	.NET 8.0
UI	WPF (Windows Presentation Foundation)
Pattern	MVVM + Clean Architecture
MVVM	CommunityToolkit.Mvvm
DI	Microsoft.Extensions.Hosting
Win32	P/Invoke (EnumWindows, SetForegroundWindow)
Persistence	JSON (%LocalAppData%\Tabu\settings.json)

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⚙️ Settings Persistence

All settings are automatically saved to %LocalAppData%\Tabu\settings.json whenever you change them. If the file is missing or corrupted, Tabu gracefully falls back to sensible defaults.

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🤝 Contributing

Contributions are welcome! Feel free to open an issue or submit a pull request.

1. Fork the repository
2. Create your feature branch (git checkout -b feature/amazing-feature)
3. Commit your changes (git commit -m 'Add amazing feature')
4. Push to the branch (git push origin feature/amazing-feature)
5. Open a Pull Request

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📄 License

This project is licensed under the GNU General Public License v3.0 (GPL-3.0). You are free to use, modify, and distribute the software under the terms of this license. See the LICENSE file for details.

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Made with ❤️ for Windows power users

🐙 Tabu — Your windows, one click away.