he Excalidraw editor supports:

💯 Free & open-source.
🎨 Infinite, canvas-based whiteboard.
✍️ Hand-drawn like style.
🌓 Dark mode.
🏗️ Customizable.
📷 Image support.
😀 Shape libraries support.
👅 Localization (i18n) support.
🖼️ Export to PNG, SVG & clipboard.
💾 Open format - export drawings as an .excalidraw json file.
⚒️ Wide range of tools - rectangle, circle, diamond, arrow, line, free-draw, eraser...
➡️ Arrow-binding & labeled arrows.
🔙 Undo / Redo.
🔍 Zoom and panning support.