: Assign your license key string to the go.Diagram.licenseKey property before you initialize any diagrams. javascript
Searching for is a common reflex. Developers want clean, professional outputs without paying immediately. But here is the hard truth: GoJS is proprietary software. Unlike open-source libraries (e.g., D3.js or Three.js), GoJS requires a commercial license for production use. gojs remove watermark
After purchasing a license, you will receive a license key (a string of text). You need to apply this key immediately after creating your go.Diagram instance. Method: Setting the go.Diagram.licenseKey : Assign your license key string to the go