
Nextcloud is the most popular open-source self-hosted file sync and sharing application. It is an alternative to other file-sharing applications such as Google Drive, Dropbox, OwnCloud, etc. Nextcloud offers a rich set of features, including file sync and sharing, an online document editor, calendar management, contact management, and more. This web application gives you complete control over what data you store, where and how it is stored, who can access it, and how it is deleted. The software is free to install on Linux, and the client software can be installed on any operating system, such as Windows, OS X, or Linux. Mobile apps are also available for Android and iOS devices. In this tutorial, we will show you how to install NextCloud on Ubuntu 26.04 with NGINX, PostgreSQL/MariaDB, and Redis.






