neko
A self hosted virtual browser that runs in docker and uses WebRTC
...Users can also share control, making it suitable for collaborative browsing, presentations, teaching, debugging, and watch parties. neko is not restricted to browsers and can stream Linux applications, media players, or complete desktop environments. It can also serve persistent or disposable remote workspaces while keeping cookies and sensitive application state on the remote system. Additional use cases include embedded virtual browsers, automation, RTMP broadcasting, recording, and secure access to internal applications.