Free
Free
C3.js is an open-source JavaScript charting library available from the project site and source repository.
- Access
- C3.js is an open-source JavaScript charting library available from the project site and source repository.
Developer tools · Vendor site 2026-10-04
C3.js is a D3-based reusable charting library that generates interactive charts with less boilerplate than raw D3. It exposes customizable classes, rich APIs, and callbacks so developers can update charts after render within web applications.
Understand the total cost
Free
Free
C3.js is an open-source JavaScript charting library available from the project site and source repository.
No retained pricing changes yet. A current price alone does not establish a historical trend.
Reviewed vendor source
Read original source ↗Facts apply to the named version and check date. Send a sourced correction if something changed.
Yes. C3.js has an ongoing free plan.
C3.js is listed as free. No paid plan with a published price was found.
API or developer access is mentioned. Documentation provides APIs and callbacks to read and update chart state after rendering.