Excalidraw
A virtual hand-drawn whiteboard
- No reviews yetCategory: Design & MediaUpdated May 2026
Excalidraw is an open-source whiteboard with a deliberately hand-drawn, low-fidelity style that keeps diagrams feeling like sketches. It is great for quick architecture diagrams, wireframes, and brainstorming, works offline, and offers end-to-end encrypted live collaboration.
Highlights
- Charming hand-drawn aesthetic that suits sketches
- Free, open source, and self-hostable
- Works offline; data stays local by default
- End-to-end encrypted live collaboration
Good for
Excalidraw is the fast, friendly choice for sketchy diagrams and brainstorms, especially for developers mapping out architecture. Its hand-drawn look is the point — if you need crisp, high-fidelity diagrams or a full design tool, look to tldraw for a richer canvas or Figma/Penpot for real UI design. For quick, private, free sketching it is excellent.
When to use it
- developers_sketching_architecture
- quick_brainstorms
- open_source_advocates
Avoid if
- need_high_fidelity_polished_diagrams
- want_a_full_design_tool
Free
Free and open source (MIT). Excalidraw+ is a paid hosted tier adding teams, cloud storage, and more.
- Self-hostableNative
- Open sourceNative
- Real-time collaborationIntegration
- Offline supportNative
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