An extremely simple video meeting, integrated whiteboard, chat and screen sharing
https://agoraio-community.github.io/AgoraWebSDK-NG/zh-CN/
https://docs.agora.io/cn/Real-time-Messaging/API Reference/RTM_web/index.html
https://console.agora.io/
https://developer.netless.link/docs/javascript/guide/js-sdk/
https://netless.link/