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FYI: Some legacy projects were retired, so a few historical links may no longer resolve.
Summary
🗒️ P3X OneNote Linux is a polished Electron desktop client for Microsoft OneNote, originally created in 2016 and rewritten in 2026, with 2,048+ GitHub stars. It supports isolated multi-account sessions, drag-and-drop tabs with custom names and pinning, hierarchical bookmarks, system tray background operation, dark mode with OS theme sync, desktop notifications, and 30+ language translations. Available on Linux (AppImage, Snap, Flatpak, deb, rpm), Windows, and macOS — free under the MIT license.