BUD is a voice-first canvas for sketchnoting and whiteboarding. Build and edit diagrams naturally on macOS or Windows with Excalidraw-based interaction.

BUD

Voice-first whiteboarding for diagramming

BUD is a voice-first canvas for sketchnoting and whiteboarding. It is designed to let you speak naturally to build diagrams, organize ideas, and edit visual structures in real time.

The site positions BUD around hands-free diagramming for system architectures, flowcharts, and shared canvas work. Desktop downloads are available for macOS and Windows, and the setup flow emphasizes microphone access and use with an Excalidraw browser workspace.

Core capabilities

Voice-first diagram creation

Speak naturally to create and edit diagrams on a canvas instead of relying only on mouse-and-keyboard input.

Diagramming and sketchnoting

Use BUD to sketch system architectures, flowcharts, and other structured ideas in a visual workspace.

Shared whiteboarding canvas

Work in a shared canvas so ideas can be organized in one place during live thinking sessions or planning.

Desktop downloads for two operating systems

Open BUD as a desktop app on macOS or Windows, with separate installers provided for each platform.

Guided setup and permissions

Follow the platform-specific setup steps, including granting microphone permission and enabling the app to interact with Excalidraw.

Common ways to use BUD

  • System architecture sketching

    Capture a rough architecture verbally and turn it into a visual structure without stopping to place every element by hand.

  • Flowchart drafting

    Lay out decision paths and branching steps as a flowchart while talking through the logic out loud.

  • Shared brainstorming sessions

    Work through ideas in a live planning session where the canvas stays open for fast capture and iterative editing.

  • Sketchnoting during thinking sessions

    Use the app as a sketchnoting aid when you want quick visual notes that follow a spoken explanation.

  • Hands-free whiteboarding on desktop

    Move between speech and visual editing for tasks that need microphone-driven input plus Excalidraw-based interaction.

Pros and Cons

Pros

  • Lets users create and edit diagrams by speaking rather than entering everything manually.
  • Supports practical whiteboarding tasks such as system architectures and flowcharts.
  • Provides desktop builds for both macOS and Windows.
  • The homepage says you can try it free with no card required.

Cons

  • BUD is unsigned on both macOS and Windows, so first launch requires bypassing platform security prompts.
  • The setup depends on microphone access and an active Excalidraw browser tab or workspace, so it is not a standalone offline whiteboard.
  • The pricing page is unavailable on the site pages provided, so the broader plan structure is not confirmed.

FAQ

What is BUD used for?

BUD is a voice-first canvas for sketchnoting and whiteboarding. The site describes it as a way to speak naturally to draw system architectures, map flowcharts, and organize ideas on a shared canvas.

Which platforms does BUD support?

The download pages show desktop builds for macOS and Windows. macOS requires version 14 (Sonoma) or newer; Windows requires Windows 10 or newer in 64-bit.

Is there anything special required to install BUD?

The site says BUD is self-funded and skipped Apple’s and Microsoft’s code-signing fees, so the desktop installers are unsigned. On macOS you must clear Gatekeeper quarantine with a Terminal command; on Windows you must bypass the SmartScreen prompt.

What does BUD need to work?

BUD requires a working microphone. The macOS page also says it needs Accessibility access to interact with Excalidraw, and both download pages note that an active Excalidraw browser tab or workspace is required.

Does BUD have a free trial or pricing page?

The homepage says you can try BUD free with no card required. A pricing page was not available, so the broader pricing structure is not confirmed on the site pages provided.

Quick Facts

Category
Productivity / Design Tool
Platforms
macOS 14+ and Windows 10+ (64-bit)
Input mode
Voice-first with microphone support
Primary workflow
Speak to build and edit diagrams on a canvas
Dependency
Requires Excalidraw browser workspace/tab
Source domain
budcanvas.app

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