RAWGraphs

rawgraphs.io

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An open-source web app for creating custom data visualizations from spreadsheet data using chart types not available in standard tools.

Why it is useful

Fills the gap between Excel charts and full D3.js development — offering chart types like alluvial diagrams, bump charts, and beeswarm plots that are otherwise difficult to produce without coding. Data is processed entirely in the browser with nothing uploaded to a server. Outputs are clean SVGs ready for refinement in Illustrator or Figma.