Show HN: Dataviz, ranked daily from GitHub, NPM, PyPI and CRAN

An open, community-curated directory of 291 charting libraries, mapping toolkits, graph visualizers, dashboards and more, ranked with live GitHub, npm, PyPI and CRAN data refreshed daily.

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Popular: JS charting · Python · React · JS maps · R · JS graphs & networks

Each dot is one tool, placed by its GitHub stars on a log scale and grouped by category; the most-starred tool in each row is labeled. Hover for details, click to open.

Web app for creating and sharing Sankey diagrams of flows and budgets without code.

JavaScript library for producing dynamic, data-driven visualizations with SVG, Canvas and HTML.

Observability and data visualization platform for metrics, logs and traces from many data sources.

Data exploration and visualization platform with a no-code chart builder, SQL IDE and dashboards.

Business intelligence tool for querying data and building dashboards, with embedded analytics.

Framework for turning Python scripts into interactive data apps.

Diagram as code in Python for prototyping cloud system architectures.

React Flow and Svelte Flow: libraries for building node-based editors, flow charts and interactive diagrams.

The whole directory is available to AI agents through an MCP server, a JSON API and llms.txt, so assistants can recommend data visualization tools from current data instead of memory.

Or point any MCP client at https://awesomedataviz.com/mcp.