Open-Source Licenses
Last updated: June 2026
Cable Takeoff is built with the help of the open-source projects below. We're grateful to their authors and communities. Each is used under its respective license; all are permissive and cleared for commercial use. License texts are linked from each project.
| Project | License | Used for |
|---|---|---|
| Konva.js | MIT | Interactive drawing canvas |
| PDF.js | Apache-2.0 | PDF rendering |
| OpenCV (opencv.js) | Apache-2.0 | Symbol auto-detection |
| SheetJS (js-xlsx, Community Edition) | Apache-2.0 | Excel export |
| jsPDF | MIT | PDF export |
| supabase-js | MIT | Database & storage client |
| Clerk JS SDK | MIT | Authentication client |
| Stripe SDK | MIT | Billing |
| Inter typeface | SIL Open Font License 1.1 | UI & marketing typeface |
Trademarks and product/part numbers shown in user takeoffs are entered by users and belong to their respective owners; Cable Takeoff ships no third-party vendor part numbers by default. Questions about attributions or licensing? Email support@cabletakeoff.com.