A blazing-fast macOS screen annotation tool built with Rust and Tauri 2.
Draw on any window, any app, any screen — instantly.
DrawOver is designed to be the fastest, lightest screen annotation tool on macOS. No bloat, no lag, just drawing.
| Feature | Description |
|---|---|
| 🖊️ Pen | Smooth, pressure-responsive freehand drawing |
| 🖌️ Highlighter | Semi-transparent strokes for emphasis |
| 🧹 Eraser | Remove individual strokes or clear all |
| ↩️ Undo / Redo | Full history — never lose your flow |
| 🎨 4 Colors | Quick-switch palette (red, yellow, green, blue) |
- Zero lag — Powered by a custom Rust rendering engine using
tiny-skia - Native feel — Built with Tauri 2 for a tiny binary and low memory usage
- Minimal UI — Floating toolbar that gets out of your way
- Always on top — Draw over any application without switching windows
- Shapes — Rectangle, circle, arrow, line
- Text tool — Type annotations directly on screen
- Cursor spotlight — Highlight your cursor for presentations
- Laser pointer — Animated pointer for screen sharing
- Whiteboard mode — Blank canvas overlay
- Screenshot capture — Save your annotated screen
- Keyboard shortcuts — Fully keyboard-driven workflow
- Custom color picker — Beyond the default 4 colors
Have an idea? Open a feature request!
brew install codecoradev/tap/drawoverDownload the latest .dmg from the Releases page, then drag DrawOver to your Applications folder.
Note: On first launch, macOS may show a security prompt. Right-click the app → Open to allow it. You'll also be prompted to grant Screen Recording permission in System Settings → Privacy & Security.
git clone https://github.com/codecoradev/drawover.git
cd drawover
# Install dependencies
bun install
# Launch dev build with hot reload
bun run tauri dev# Format Rust code
cargo fmt
# Lint
cargo clippy -- -D warnings
# Run tests
cargo test
# Type-check frontend
bun run check
# Build for release
cargo tauri build --target universal-apple-darwinContributions are welcome! Whether it's a bug fix, a new feature, or just a typo — we appreciate every contribution.
👉 See CONTRIBUTING.md for the full guide.
Before your first PR, you'll need to sign our Contributor License Agreement (one-time, quick process).
| Technology | Role |
|---|---|
| Rust | Core logic, rendering engine, screen overlay |
| Tauri 2 | Cross-platform desktop framework, native window management |
| Svelte 5 | Frontend UI — toolbar, canvas state, interactions |
| tiny-skia | CPU-accelerated 2D rendering — zero GPU dependency, instant startup |
DrawOver is licensed under the Apache License 2.0. See LICENSE for the full text.
Contributors must sign the CLA before contributions can be accepted.
Built with ❤️ by CodeCoraDev
Draw on any screen. Zero lag.