For developers who continue to face this issue, some have created Node.js scripts that automatically modify the GoJS library during the build process. This approach allows the modification to be reapplied each time dependencies are installed, without manual intervention.
| Library | Best For | Watermark? | License | | :--- | :--- | :--- | :--- | | | General diagrams, flowcharts | No | Apache 2.0 | | JointJS (Free) | Basic ERD, BPMN | No (Pro version adds plugins) | Mozilla Public License | | Rete.js | Node-based editors (visual programming) | No | MIT | | LogicFlow | Business process diagrams | No | Apache 2.0 | | React Flow | React-based node graphs | No | MIT | gojs remove watermark
You may find online tutorials and scripts that claim to "remove watermark" by modifying the library's source code (e.g., in node_modules ). These methods are unofficial, unsupported, and violate the GoJS license agreement. Using such methods may expose your application to security risks, as you are altering a core library. The only secure and legally sound approach is to purchase a commercial license and apply it as described above. For developers who continue to face this issue,
For GoJS versions 2.0 and later, use:
import * as go from 'gojs'; // Place this at the absolute entry point of your application go.Diagram.licenseKey = "YOUR_EXACT_LICENSE_KEY_STRING_HERE"; // Initialize your diagram after setting the key const diagram = new go.Diagram("myDiagramDiv", /* configuration */ ); Use code with caution. React / Angular / Vue Frameworks | License | | :--- | :--- |
import * as go from 'gojs';
The is a built-in feature of the library's evaluation mode, intended to ensure the software is not used for unauthorized production or distribution. Removing it is a standard part of the deployment process once a commercial license has been acquired. Official Removal Method