WebRTC allows browsers to communicate directly without a server. You can transmit video, sound and data. You can establish a WebRTC connection in different ways. The article describes how a WebRTC connection is established between users of the dgrm.net flowchart editor. In DGRM, clients do not connect “everyone to everyone”. Events are sent to clients by the browser of the meeting initiator When a user adds a shape, changes colour, or…