The best Operating System alternative to ZimaOS is CasaOS, which is both free and Open Source. If that doesn't suit you, our users have ranked nine alternatives to ZimaOS and four of them are Operating Systems so hopefully you can find a suitable replacement. Other interesting Operating System alternatives to ZimaOS are Umbrel, Unraid and MOS (Modular Operating System).
CasaOS is an open-source Home Cloud system based on the Docker ecosystem and designed for home scenarios. It is committed to building the world's most simple, easy-to-use, and elegant Home Cloud system.
Flexible operating system combining storage management with support for mixed drive sizes, Docker containers, virtual machines, hardware and GPU passthrough, browser-based interface, file protocols, scalable expansion, integrated parity, and monitoring features.
MOS is a lightweight operating system based on Devuan, designed specifically for small, energy-efficient home servers.
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