Diagramming for flowcharts, wireframes and architecture, with no account required.
Why we recommend it
It stays useful precisely because it's unglamorous: it opens instantly, stores files wherever you want, and doesn't push you toward a subscription mid-diagram.
Strengths
- No sign-up needed to start working
- Stores files locally, in Drive, or in your own storage
- Self-hostable for teams with data constraints
Drawbacks
- Visual output is functional rather than beautiful
- Real-time collaboration is weaker than Miro or FigJam
- Large diagrams become sluggish
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