Credits and licences
Last updated 2026-10-19
Our own code
The tools and page layouts are written for this site. The pages make no requests to other servers. Diagram drawing, text measuring, chart drawing and the PNG, SVG and PDF exports are our own code.
Third-party material
Libraries bundled with the tools, with their licences. The licence texts are kept with the code (assets/js/vendor/).
| Name | Used for | Licence |
|---|---|---|
| dagre 3.1.1 (@dagrejs/dagre) | Automatic layout of flowcharts and other node-and-arrow diagrams (layered graph layout). Bundled with the tool and run in your browser. | MIT |
| JustGage 2.0.1 | Draws the gauge chart (dial, colored zones, needle) as SVG. Bundled with the tool and run in your browser. | MIT |
| d3-sankey 0.12.3 (with d3-array) | Works out the columns, node heights and link widths of the Sankey diagram. Bundled with the tool and run in your browser. | BSD-3-Clause |
| d3-scale 4.0.2, d3-shape 3.2.0, d3-array 3.2.4 | Axis scales, round tick values and line or curve paths of the line graph. Bundled with the tool and run in your browser. | ISC |