n.eko is described as 'Self-hosted browser in Docker using WebRTC, supporting secure virtual browsing, multiple simultaneous users, shared sessions, and remote collaboration' and is a watch videos together tool in the development category. There are five alternatives to n.eko for a variety of platforms, including Web-based, Google Chrome, Linux, Mozilla Firefox and Chrome OS apps. The best n.eko alternative is Metastream, which is both free and Open Source. Other great apps like n.eko are Hyperbeam, Kosmi, Kasm Workspaces and Watch2Gether.
Metastream is not a browser-over-vnc