It does already exist[1]. Although I'm not particularly familiar with the "core" LibreOffice Online, the Collabora Online[2] branded version is super easy to ge

It does already exist[1]. Although I'm not particularly familiar with the "core" LibreOffice Online, the Collabora Online[2] branded version is super easy to get running on Nextcloud[3] (via Docker). [1] https://www.libreoffice.org/download/libreoffice-online/ https://www.libreoffice.org/download/libreoffice-online/ [2] https://www.collaboraoffice.com/libreoffice-from-collabora/ https://www.collaboraoffice.com/libreoffice-from-collabora/ [3] https://nextcloud.com/collaboraonline/ https://nextcloud.com/collaboraonline/