Excalidraw is an open-source online whiteboard with a hand-drawn style. Open the page and start drawing flowcharts, architecture diagrams, wireframes and sketches.
Best for
Developers, product managers and technical writers who need to get an idea across quickly.
Highlights
- No sign-up needed, and data is stored in the browser by default.
- Realtime collaboration through a link, end-to-end encrypted.
- Community shape libraries, with export to PNG, SVG or an editable file.
Watch for
It is not meant for precise, formal diagrams. Team workspaces and cloud storage belong to the paid Excalidraw+.
- Category
- Image & Design
- Pricing
- Open source
- Tags