Drafft.ink

An infinite canvas whiteboard built with Rust and WebGPU.

Try it now: drafft.ink — draw first, sign up never.

Cross-platform (Linux, Windows, macOS, browser, mobile). Real-time collaboration via CRDTs. No account required. Self-hostable with a single binary.

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Features

• Shapes and Drawing - Rectangles, ellipses, lines, arrows, freehand paths with pressure sensitivity
• Smart Guides - Smart alignment snapping, equal spacing detection, angle snapping
• Text - Multiple font families (GelPen, GelPen Serif, Vanilla Extract), per-character styling, inline LaTeX math
• Images - Drag-and-drop, paste from clipboard, embedded in document
• Collaboration - Real-time sync via Loro CRDT. Watch your colleagues draw boxes around things that don't need boxes.
• Open Formats - Export to PNG or JSON. Import them back.
• No Telemetry - We don't know what you're drawing, and frankly, we don't want to.
• Touch Support - iPad and tablet friendly, gesture navigation
• Sketch Style - Sketchy on purpose. Precise when it matters. Hand-drawn aesthetic via roughr and fonts

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Installation

Desktop

git clone https://github.com/PatWie/drafft-ink.git
cd drafft-ink
cargo run --release

Or use the build script:

./build.sh --native

Web (Local)

./build.sh --wasm

Collaboration Server

cargo build --release -p drafftink-server
./target/release/drafftink-server

Listens on ws://localhost:3030/ws. One binary, no configuration files. Self-host it. Or don't. We're not your manager.

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Architecture

crates/
  drafftink-core/     # Canvas state, shapes, CRDT sync, snapping logic
  drafftink-render/   # Vello-based GPU rendering, text layout (Parley)
  drafftink-app/      # Application logic, UI (egui), event handling
  drafftink-server/   # WebSocket collaboration server
  drafftink-widgets/  # Custom UI components

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Philosophy

Your tools should work for you. No accounts, no paywalls, no telemetry, no "upgrade to Pro."

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Contributing

PRs welcome. Issues welcome. The code is right here.

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License

AGPLv3 - Use it, modify it, host it. Keep it open.