NoteUI

A modern sticky notes application for Windows, built with WinUI 3 (Windows App SDK 1.8) and .NET 10.

Features

Notes

• Create, edit, delete, and duplicate notes
• Rich text editing (bold, italic, underline, strikethrough, bullet lists, headings)
• Slash commands (/bold, /h1, /date, /time, …) for quick formatting
• 14 color themes (Yellow, Green, Mint, Teal, Blue, Lavender, Purple, Pink, Coral, Orange, Peach, Sand, Gray, Charcoal)
• Pin notes to the top of the list
• Search and filter by title or content
• Inline title editing
• Auto-save on every change
• Keyboard-accessible note cards (Tab to focus, Enter to open)
• Sort notes by recent, creation date, alphabetical, color, or size
• Compact card view toggle
• Clipboard monitor: automatically create a note from clipboard content

Task Lists

• Dedicated task list note type with checkboxes
• Add, remove, and reorder tasks
• Task completion tracking with progress display (e.g. "3/5")
• Per-task reminders with date and time picker
• Enter to add a new task, Backspace on empty to delete

Reminders

• Set reminders on notes and individual tasks with date picker and time picker
• Windows toast notifications when a reminder fires
• Visual bell indicator on tasks with active reminders
• Automatic cleanup after notification

AI Integration

• Cloud providers: OpenAI, Claude (Anthropic), Google Gemini with API key management (DPAPI encrypted)
• Local models: LLamaSharp GGUF inference (CPU + CUDA 12 GPU acceleration)
• Predefined models: Gemma 2 2B, Llama 3.2 3B, Llama 3.1 8B
• Custom GGUF model download from URL
• AI text transformations: improve writing, fix grammar, adjust tone (professional, friendly, concise)
• Editable built-in prompts and custom user prompts
• Accessible via slash commands (/ai) or status bar robot icon
• Per-note and per-notepad AI actions with selection-based transformation

Notepad

• Multi-tab text editor with add, close, and close-all operations
• File operations: Open, Save, Save As, Save to Notes
• Undo / Redo, Cut, Copy, Paste, Select All
• Date/Time insertion and slash commands support
• View options: word wrap toggle, zoom in/out
• Markdown mode toggle
• AI text transformations (same as notes)

Voice Notes

• Speech-to-text recording with real-time transcription
• Two recognition engines: Vosk (lightweight) and Whisper (OpenAI, higher accuracy)
• French and English language support
• In-app model download with progress tracking
• Live audio level visualization during recording
• Transcription is saved as a regular note

Available Models

OCR & Screen Capture

• OCR: full-screen region capture overlay with drag-and-drop selection, text extraction via Windows OCR engine
• Screenshot: triggers Windows Snipping Tool (Win+Shift+S), auto-scales and inserts the image into the current note
• Auto-detects language (French / English) from the system profile

Cloud Sync

• Firebase Realtime Database with email/password and Google Sign-In (OAuth 2.0 PKCE)
• WebDAV / Nextcloud with username/password authentication
• Notes and settings sync across devices
• Automatic conflict resolution (most recent version wins)
• Automatic token refresh
• Auto-reconnect on startup from saved credentials

Localization

• Full English and French UI (200+ translated strings)
• Dynamic language switching from settings
• Language preference synced to cloud

Customization

• Light, Dark, and System theme
• Backdrop: Acrylic, Mica, MicaAlt, Custom Acrylic, or None
• Custom Acrylic editor with live preview (tint color, opacity, luminosity)
• Configurable notes storage folder
• Keyboard shortcut rebinding (Show/Hide, New Note, Flyout Back)
• Global system hotkeys (Ctrl+Alt+N to show, Ctrl+N for new note)
• Slash commands toggle (enable/disable)
• Always-on-top (pin) for any window
• Start with Windows and start minimized to tray
• Font selection: Segoe UI, Geist, Inter, JetBrains Mono
• Note style: title bar or full color

UI & Animations

• Borderless custom window chrome with shadow
• GPU-accelerated Composition animations (fade, slide, scale)
• Smooth compact/expand transitions
• Card shadows for depth
• System tray icon (close to tray, reopen from tray)
• Nested flyout navigation with configurable keyboard shortcut (Ctrl+P default)
• About panel with version info, GitHub and Buy Me a Coffee links

Auto-Update

• Check for updates from the About panel
• Automatic detection of CPU/CUDA build variant
• In-app download with progress bar and one-click install
• Release notes link via GitHub Releases

Installation

Download the latest NoteUI-Setup.exe from the Releases page and run the installer.

Options during installation:

• Create a desktop shortcut
• Launch at Windows startup

Build from Source

Prerequisites

• .NET 10 SDK
• Windows App SDK 1.8
• Windows 10 (build 19041) or later

Build

dotnet build

Publish

dotnet publish -c Release -r win-x64 --self-contained true

Output: bin/Release/net10.0-windows10.0.19041.0/win-x64/publish/

Create Installer

Requires Inno Setup 6:

iscc installer.iss

Output: installer/NoteUI-Setup.exe

Data Storage

• Notes: <notes_folder>/notes.json (default: %LocalAppData%/NoteUI/notes/)
• Settings: %LocalAppData%/NoteUI/ (theme, backdrop, cloud credentials, AI settings)
• Voice models: %LocalAppData%/NoteUI/models/<model_id>/
• AI models: %LocalAppData%/NoteUI/ai_models/
• Voice settings: %LocalAppData%/NoteUI/voice_settings.json

Tech Stack

• Framework: WinUI 3 / Windows App SDK 1.8
• Runtime: .NET 10 (self-contained, win-x64)
• AI (local): LLamaSharp 0.26.0 (CPU + CUDA 12)
• AI (cloud): OpenAI, Anthropic Claude, Google Gemini REST APIs
• Audio: NAudio 2.2.1
• Speech-to-text: Vosk 0.3.38, Whisper.net 1.7.4
• OCR: Windows.Media.Ocr (built-in Windows OCR engine)
• Cloud: Firebase REST API, WebDAV protocol
• Auth: Firebase email/password, Google OAuth2 PKCE
• Animations: Windows.UI.Composition (DirectX GPU-accelerated)
• Installer: Inno Setup 6

License

All rights reserved.