Data Visualization & Chart Generator

Generate publication-quality charts, graphs, and dashboards from CSV, JSON, or inline data. Includes 5 complete rendering backends: Mermaid (zero-dep markdown charts), Gnuplot (fast terminal plots), Python matplotlib (complex figures and heatmaps), raw SVG (zero dependencies anywhere), and Chart.js (interactive HTML dashboards). Comes with ready-to-use scripts for bar charts, line graphs, pie charts, scatter plots, heatmaps, histograms, and multi-panel dashboards. Includes one-liner patterns for piping database queries directly into charts, color palettes (including colorblind-safe), and a decision guide for choosing the right backend. 12KB of practical, copy-paste-ready code.