Excalidraw
Open-source hand-drawn style virtual whiteboard for collaborative sketching and idea drafting.
Core features are free to use.excalidraw.com
Highlights
- Hand-drawn style wireframes for natural, rough sketches
- Shareable link invites for real-time collaborative editing
- Reusable component library for common design elements
- Open-source codebase supports self-hosted deployment
Typical use cases
- Drafting architecture sketches on the fly during remote meetings
- Creating quick interaction mockups to align with teammates
- Real-time collaborative sketching for remote workshops
Who it suits
- Software developers and product managers
- Teams that prefer lightweight whiteboarding tools
- Agile teams and remote collaboration groups
Things to check before you commit
- Hand-drawn styling is not suitable for formal final deliverables
- Default collaborative storage relies on third-party services, self-hosting is required for enterprise internal use
Pricing
100% free and open-source, no registration required.