ZeroSketch

Zero-bloat browser diagramming tool for system design and architecture sketches.

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ZeroSketch is a free, browser-based diagramming tool focused specifically on system design and architecture sketches, with a drag-and-drop canvas, icon libraries, free SVG/PNG export, and local persistent storage. It's built for engineers who want a lightweight, simple tool for whiteboarding system architecture rather than a general-purpose diagramming app.

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Behind the summary, Matchbox keeps a richer profile of ZeroSketch - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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