Excalidraw tech stack
Excalidraw is a virtual whiteboard for hand-drawn diagrams. It runs on React, Vite, Vercel, Firebase and 2 more, read from its public repo excalidraw/excalidraw.
Sketch diagrams that look hand-drawn, collaborate live with end-to-end encryption and export to PNG or SVG. Free forever; Excalidraw+ from $6 a month.
Design & creative · web · https://excalidraw.com · 134,644 GitHub stars, MIT (2026-10-27)
Built with
Frontend
- React (excalidraw-app/package.json: react)
- Vite (package.json: vite)
Hosting
- Vercel (vercel.json)
Database
- Firebase (.env.production: excalidraw-room-persistence.firebaseapp.com)
Realtime
- Socket.IO (excalidraw-app/package.json: socket.io-client)
Monitoring
- Sentry (package.json: @sentry/browser)

