Open Source Alternatives to QNAP QTS

A network attached storage operating system that manages data storage, file sharing, and application deployment on QNAP NAS devices. It provides tools for data backup, synchronization, and multimedia management through a web based interface. The software is designed for home users and businesses to centralize file storage and run containerized applications. It is deployed as the primary firmware on compatible QNAP hardware.

Whether you want to cut software costs or escape vendor lock-in, these open source alternatives to QNAP QTS give you an option you fully own. You can self-host them, so your data stays on infrastructure you control. This page lists 3 open source alternatives to QNAP QTS. The most popular are CasaOS, Runtipi and openmediavault. Most use the GPL-3.0 or Apache-2.0 license, and 1 offers an official Docker image.