Show HN: Realtime Collaborative Drawing with WebRTC and Canvas (github.com)

Author wrote nice posts about it:

    Part 1: Realtime collaborative drawing with canvas and WebRTC
    Part 2: Server Sent Events + WebRTC Mesh Networks
    Part 3: Simulating webkit force, canvas color swatches
    Part 4: Redis PubSub + WebRTC Signaling

https://nyxtom.dev/2020/09/05/collaborative-drawing-webrtc-c...