An online whiteboard for your whole team
Think in diagrams. Together.
Sketch, plan, and diagram together on one fast, minimal online whiteboard — shapes, sticky notes, flowcharts, and real UML when you need the rigor. No install.
Want to try it? The playground is open — no account, nothing to install.
Open the playgroundFind the board that already fits your job
Pick the one that sounds like your week — the tools are already on the board.
Explain the system, precisely
Real UML — classes with compartments, sequence messages, state machines — for the design review that has to hold up.
Show how the work actually flows
Flowcharts with the right symbols and swimlanes that name an owner for every step — so the handoff that stalls is obvious.
Be wrong quickly, then be right
Grey wireframes and the flows between them, on one board, with feedback landing on the screen it's about.
Run the session, not the tool
Retros, boards, roadmaps and story maps everyone can drag at once — the deciding, before it reaches the tracker.
A box, an arrow, a sticky
Shapes, icons, callouts and containers for the boards that never become a notation — which is most of them.
Get the first draft for free
Describe the diagram to your assistant and it draws it here. You spend your time correcting, not placing boxes.
Most teams end up keeping two tools: one loose enough to think in, one strict enough to hand over — and then keeping the two in sync. This is one board for both. The sticky note and the spec-correct class diagram sit on the same canvas, so moving from one to the other is a change of tool, not a change of app.
The features you'll actually use
Collaboration, feedback, sharing, styling and export — free on every board.
Real time collaboration
Live cursors, presence, instant sync.
Feedback
Threaded comments on shapes and connections.
Share
Send a link and the board opens in their browser — nothing to install, nothing to download.
Precision
Snapping, guides, rulers, orthogonal connectors.
Styles
Themes, a style panel and a format painter keep every board looking like one team made it.
Export
Clean SVG in one click — into a doc, a README or a deck, at any size.
Your AI assistant can draw here too
Umlout ships an MCP server, so Claude, Cursor, GitHub Copilot, Windsurf — any MCP client — can add shapes, connections and comments in plain language. Changes appear on the canvas live, for everyone.
Read the MCP guide →Up and running in a minute
No install, no credit card.
Draw something first
Open the playground and put a shape on the board. No account, no email.
Keep it
Sign up in seconds and the board you just drew lands in your dashboard.
Invite your team
Share a link or invite by email and edit together in real time.
Simple, transparent pricing
Start free. Upgrade when you need more.