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Feature checklists make every tool look equivalent. This table leads with the three things that actually differ — what it costs you before it works, whether your files leave your device, and where the free version stops.
| tldrawtldraw.com | Excalidrawexcalidraw.com | Markmapmarkmap.js.org | Wireframe.ccwireframe.cc | |
|---|---|---|---|---|
| What it does | Infinite canvas that feels like a native app in a browser tab | Hand-drawn-looking whiteboard that opens instantly with no sign-up | Turns a Markdown outline into a collapsible mind map as you type | Draw a rectangle and it guesses which UI element you meant |
| What it costs you | No sign-upWorks the moment the page loads. No account, no email, no trial. | No sign-upWorks the moment the page loads. No account, no email, no trial. | No sign-upWorks the moment the page loads. No account, no email, no trial. | No sign-upWorks the moment the page loads. No account, no email, no trial. |
| Your files | Runs on your device | Runs on your device | Runs on your device | Runs on their server |
| Where it stops | Shared rooms are open to anyone holding the link — there are no accounts or access controls. | Local drawings have no version history — clearing browser storage loses them permanently. | The layout is generated from your Markdown nesting and cannot be rearranged by hand. | Free wireframes are one page, public to anyone with the link, and cannot be exported. |
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| Category | Diagrams & Whiteboards | Diagrams & Whiteboards | Diagrams & Whiteboards | Diagrams & Whiteboards |
| Last checked | 2026-07-29 | 2026-07-29 | 2026-07-29 | 2026-07-29 |
| Open the site | Open | Open | Open | Open |
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