Best Miro Alternatives
Collaborative online whiteboard. Strict 3-editable-board caps on free plans and per-visitor workshop fees drive engineering and product teams to instant open-source canvases.
Productivity · Markdown Spec
- Excalidraw — Beloved MIT-licensed virtual whiteboard with crisp hand-drawn diagrams and E2EE rooms (Score: 113.7, Open Core, MIT)
- draw.io (diagrams.net) — Zero-account Apache-2.0 technical architecture, AWS/GCP/K8s, and UML diagramming standard (Score: 96.5, Free & Open Source, Apache-2.0)
- tldraw — silky-smooth multiplayer infinite canvas and extensible React whiteboard SDK (Score: 81.2, Open Core, tldraw License (Free App & Dev))
- Whimsical — Opinionated ultra-fast flowcharts, wireframes, mind maps, and product specs (Score: 54.8, Freemium, Proprietary)
- Lorien — Infinite-canvas vector drawing and note-taking pad built on Godot with tiny files (Score: 48.7, Free & Open Source, MIT)