Excalidraw alternative
Excalidraw is a genuinely good tool. Teams move to Atlas Diagram Studio when they want AI text-to-diagram and diagrams that live inside the same workspace as their tasks, projects, and docs. Excalidraw is the fast, free, hand-drawn sketch canvas. Atlas Diagram Studio includes a freeform sketch surface too, and adds a structured engine, AI text-to-diagram, and diagrams connected to your work.
Why teams switch
To be fair: Excalidraw is the open-source darling for hand-drawn, low-fidelity sketches. Its charming style, speed, and zero-friction, privacy-respecting canvas make it perfect for quick architecture sketches and ideation.
Excalidraw is sketch-first. Atlas offers both a freeform sketch surface and a structured engine for UML, ERD, and architecture.
Atlas turns text or Mermaid into editable diagrams with validation, going beyond hand-drawing everything.
Instead of an .excalidraw file, diagrams live with your projects and docs and support real-time multiplayer with history.
Feature comparison
A fair scorecard. Where the rival leads, we say so.
| Capability | Atlas | Excalidraw |
|---|---|---|
| Hand-drawn sketch canvas | Freeform surface | Best-in-class |
| Structured UML / ERD / architecture | Basic | |
| AI text-to-diagram (validated graph) | Mermaid import | |
| Real-time multiplayer and version history | Live collab | |
| Lives inside an all-in-one work OS | ||
| Free & open source | Free tier | Best-in-class |
| Flowcharts, UML, ERD & network diagrams | ||
| Drag-and-drop shape library | ||
| Export to PNG / SVG / PDF | ||
| Web-based, nothing to install |
FAQ
Ready when you are
Start free, bring your Mermaid and .drawio files, and generate your first diagram from a sentence: inside a workspace that runs the rest of your work too.