Linux Babe published a tutorial about integrating Collabora Online with Nextcloud on Ubuntu without Docker.

Integrate Collabora Online with Nextcloud on Ubuntu without Docker

This tutorial is going to show you how to install Collabora Online on Ubuntu and then integrate it with an existing Nextcloud server without using Docker. Collabora Online is a self-hostable and LibreOffice-based open-source online office suite. Its features include: Basic editing High fidelity, WYSIWYG rendering Supports DOC, DOCX, PPT, PPTX, XLS, XLSX, ODF document.

Integrate Collabora Online with Nextcloud on Ubuntu without Docker