Open Source Whiteboarding & Diagramming Tools

Open source whiteboard and diagramming tools you can self-host. Compare Miro, Mural, and FigJam alternatives by infinite canvas and collaboration. Updated Sept 2026.

Excalidraw

131,33915,168

An open-source virtual whiteboard for sketching hand-drawn-style diagrams, and a self-hostable alternative to Miro, Mural, and FigJam. Excalidraw offers an infinite canvas, real-time collaboration in end-to-end encrypted rooms, a large shape and icon library, PNG/SVG export, an embeddable component, and an offline PWA.

9/7/202615168 contributors