Source repo https://github.com/jgraph/drawio
diagrams.net, previously draw.io, is an online diagramming web site that delivers the source in this project.
diagrams.net uses the mxGraph library as the base of the stack, with the GraphEditor example from mxGraph as the base of the application part. The mxGraph library build used is stored under /etc/mxgraph/mxClient.js.
diagrams.net is licensed under the Apache v2.
One way to run diagrams.net is to fork this project, publish the master branch to GitHub pages and the pages sites will have the full editor functionality (sans the integrations).
Another way is to use the recommended Docker project or to download draw.io Desktop.
The full packaged .war of the client and servlets is built when the project is tagged and available on the releases page.
diagrams.net supports IE 11, Chrome 70+, Firefox 70+, Safari 11+, Opera 50+, Native Android browser 7x+, the default browser in the current and previous major iOS versions (e.g. 11.2.x and 10.3.x) and Edge 79+.