A professional, modern, and lightweight Point of Sale (POS) system built with Tauri v2 and Next.js 16, designed for high performance, security, and simplicity.

• Fast and intuitive interface for processing sales with optimized touch support.
• Virtual Numpad: Optimized touchscreen numeric keypad for quick cash entry.
• Touch-Optimized Cart: Large touch targets for interactive cart elements.
• Smart Change Calculation: Automated change display with validity checks.
• Receipt Generation: Backend integration for secure transaction recording.

• Product Management: Detailed product tracking with categories and images.
• Material & Recipe Management: Track raw materials and define recipes for complex items (e.g., drinks, food).
• Real-time Stock Tracking: Monitor inventory levels with low-stock alerts.

• Customer Information: Track customer profiles and preferences.
• Purchase History: Comprehensive view of past transactions with filters and search.

• Centered Global Action Bar: A sleek, floating island for high-level app control (Display Zoom, Page Width, and Navigation).
• Draggable Contextual MiniTuner: A smart, persistent tuning panel that follows your selection and allows real-time styling of components.
• Specialized Component Tuners: Dedicated interactive environments for fine-tuning the Product Grid, Sidebar Layout, Virtual Numpad, and Order History.
• Smooth Scaling Engine: Fluid, non-snapping item resizing powered by dynamic CSS Grid auto-fill and minmax logic.
• Live Color Sampler: Extract and apply brand colors directly from product images to your global theme.
• Apple-Inspired Dark Mode: A sleek, flat interface utilizing glassmorphism, framer-motion animations, and modern aesthetics.
• Layout Presets: Quickly toggle between Compact POS (high density) and Cozy Desktop (spacious) modes.

• Export Formats: CSV, XLSX, and ODS.
• Thai Accounting Reports: Built-in support for Thai Sales Tax Reports (รายงานภาษีขาย).

• Encrypted Database: Local data is protected via SQLCipher (AES-256 encryption).
• Local-First: Your data stays on your machine.
• Mock API Mode: Develop and test the UI directly in the browser without needing the Tauri backend.

• Frontend: Next.js 16 (React 19), Tailwind CSS 4, Framer Motion
• Backend: Tauri v2 (Rust)
• Database: SQLite with SQLCipher (via Diesel ORM in Rust)
  • Automatic Path Resolution: Uses directories crate to store data securely in the system's local data directory (e.g., ~/.local/share/simple-pos on Linux).
• Icons: React Icons (Font Awesome & more)
• State Management: React Hooks & Context (optimized with specialized providers)

simple-pos/
├── src/
│   ├── app/            # Next.js App Router pages and layouts
│   ├── components/     # Modularized UI components
│   ├── context/        # Global state management
│   ├── lib/
│   │   ├── api/        # Module-based service layer
│   │   ├── types/      # TypeScript definitions
│   │   └── utils/      # Shared helper functions
│   └── constants/      # Permanent application constants
├── src-tauri/          # Rust backend source
├── TODO.md             # TODO list
└── package.json

Before you begin, ensure you have the following installed:

• Node.js (v24 or newer recommended)
• Rust & Cargo (latest stable)
• System Dependencies:
  • Linux: Build essentials, webkit2gtk
  • macOS: Xcode Command Line Tools, OpenSSL
  • Windows: Microsoft Visual Studio C++ Build Tools, OpenSSL

npm install

npm run tauri dev

Note for Linux Users: The tauri script automatically sets WEBKIT_DISABLE_DMABUF_RENDERER=1 to prevent rendering issues.

To build a standalone executable:

npm run tauri build

MIT