C3.js

C3.js is an open-source JavaScript charting library that makes it easy to generate D3-based, reusable, and customizable charts with minimal D3 code required. Designed for developers and data analysts, it offers a collection of chart types, APIs, and callbacks for real-time chart updates, while enabling deep integration, styling, and extensibility through both CSS and D3. C3.js is suitable for applications that need advanced data visualization with straightforward integration.