# Observable Plot

> Updated 2026-09-03 · type: tool · category: analytics-bi · status: active · rev 1

Concise grammar-of-graphics on D3

- Open source: yes (ISC)
- Self-hostable: yes
- Pricing model: free
- Best for: Developers and analysts accelerating exploratory data analysis with a concise visualization API.
- Last verified: 2026-09-04

- **Canonical:** https://gtmstacker.com/registry/tool/observable-plot/
- **Source:** [github · github.com/observablehq](https://github.com/observablehq/plot)
- **Tags:** analytics-bi, data-visualization
- **Repository:** https://github.com/observablehq/plot

## Is Observable Plot open source?

Yes — ISC-licensed.

## How much does Observable Plot cost?

It is free to use.

## Can I self-host Observable Plot?

Yes — it can be self-hosted.


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Concise grammar-of-graphics on D3