Excalidraw
Excalidraw is an intuitive collaborative sketching tool that allows users to brainstorm, plan, and visualize ideas with ease. With its user-friendly interface and real-time live collaboration feature,
Excalidraw is an intuitive collaborative sketching tool that allows users to brainstorm, plan, and visualize ideas with ease. With its user-friendly interface and real-time live collaboration feature,

Real-time collaboration
multiple users can work on the same drawing simultaneously
Local-first storage
sketches are saved to your browser, with optional cloud sync
Hand-drawn style
strokes have a sketchy, informal appearance
Shape library
includes basic shapes, arrows, and connectors for diagramming
Export options
save as PNG, SVG, or other formats
Shareable links
generate URLs to share drawings without accounts
Creating wireframes and low-fidelity mockups early in design projects
Sketching flowcharts and process diagrams for technical documentation
Brainstorming and mind-mapping with teams in real-time
Planning architecture diagrams and system designs
Drawing quick mockups for user interface concepts