Have never tried it personally, but this talk made me think collaborative editing is a solved or close-to-solved problem in Emacs: https://emacsconf.org/2023/ta

Have never tried it personally, but this talk made me think collaborative editing is a solved or close-to-solved problem in Emacs: https://emacsconf.org/2023/talks/collab/ https://emacsconf.org/2023/talks/collab/