# D3: Data-Driven Documents **D3** (or **D3.js**) is a free, open-source JavaScript library for visualizing data. Its low-level approach built on web standards offers unparalleled flexibility in authoring dynamic, data-driven graphics. For more than a decade D3 has powered groundbreaking and award-winning visualizations, become a foundational building block of higher-level chart libraries, and fostered a vibrant community of data practitioners around the world. ## Resources * [Documentation](https://d3js.org) * [Examples](https://observablehq.com/@d3/gallery) * [Releases](https://github.com/d3/d3/releases) * [Getting help](https://d3js.org/community)