Collabora office uses a custom web ui for controls, dialogs, etc. The document body is rendered by the server and streamed in raster tiles over a web socket. h

Collabora office uses a custom web ui for controls, dialogs, etc. The document body is rendered by the server and streamed in raster tiles over a web socket. https://sdk.collaboraonline.com/docs/architecture.html https://sdk.collaboraonline.com/docs/architecture.html