C3 is a D3-based reusable chart library that enables deeper integration of charts into web applications.
C3 solves the problem of building interactive charts by providing a higher-level abstraction over D3.js. Rather than writing low-level D3 code directly, developers define charts through a configuration-based approach that leverages D3's rendering capabilities underneath. This allows charts to be embedded and manipulated more easily within web applications while retaining access to D3's power for customization.
C3 suits projects where you need interactive, SVG-based charts with a simpler API than raw D3 but want to avoid the overhead of heavier charting libraries. It works well for applications requiring reusable chart components that can be updated dynamically. The library requires D3.js as a dependency, so adoption makes sense in projects already using or comfortable with the D3 ecosystem.
The project maintains active community channels including a Google Group for general discussion and a Gitter chat, with the issue queue reserved for bug reports and feature requests rather than general support. The README emphasizes thorough issue searching and reproduction steps before reporting problems, and requests that pull requests be preceded by issue discussion to confirm desirability. The master branch contains active development commits, indicating ongoing work on the codebase.
