Our take
Activerecent releases- Activity
- 63
- Community
- 46
- Issues
- 55
- Pull requests
- 21
+88 stars in the last 30 days
- Releases more often than 80% of the projects we track
ZimaOS is an actively updated NAS evaluation project, with recent releases and issue handling, but its test-image focus makes it best approached as a platform to evaluate before relying on it.
Good fit if
- You have Zima hardware or a UEFI x86-64 system and want to evaluate a NAS-focused OS.
- OTA or offline update support and disk-management features suit your home storage setup.
- You are comfortable trying a public evaluation program; the project has recent commits and releases, and issues are being closed.
Look elsewhere if
- You need a clearly stated software license before adopting or redistributing the system. The repository metadata provided does not specify one.
- You need a project presented as a stable, non-evaluation release rather than test images.
- Your hardware is outside the listed Zima devices and generic UEFI x86-64 systems.
All health signals
| Last commit | 2026-09-30 (11 days ago) |
|---|---|
| Commits, last 90 days | 9 |
| Releases, last 12 months | 30 (latest 1.8.0-beta2, 2026-10-06) |
| Contributors | 9 (top contributor: 60% of commits) |
| Issues closed, last 90 days | 18 (typically closed in 17 days) |
| Pull requests merged, last 90 days | 0 |
| Project age | 3 years |
Checked on 2026-10-12 with the GitHub API.
Project history
Daily GitHub snapshots since Oct 7, 2026. History covers stars and forks; health signals are not tracked historically.
Stars
3,102Forks
130Change since Nov 8, 2026: +4 stars·0 forks
Overview
ZimaOS is a NAS operating system for Zima devices and compatible UEFI x86-64 computers. Evolved from CasaOS and built with Buildroot, it aims to provide a focused system for managing storage and running a home NAS, with an emphasis on hardware compatibility and updates.
The repository is for releasing test images. It is relevant to people evaluating ZimaOS on supported hardware, rather than a general-purpose operating system distribution.
Key Features
- Built with Buildroot as a lightweight NAS operating system.
- Supports ZimaBoard, ZimaBoard2, ZimaBlade, ZimaCube, and generic x86-64 hardware.
- Provides over-the-air updates and offline updates.
- Includes disk-management capabilities.
- Offers installer images for booting and installing through UEFI.
- Describes itself as evolved from CasaOS, with a series of new applications.
Use Cases
- Set up a NAS on Zima hardware when you want an operating system designed for that device family.
- Evaluate a home NAS on a generic UEFI x86-64 machine, such as a spare mini PC.
- Try a Buildroot-based NAS system with OTA updates before choosing a longer-term platform.
- Install on a dedicated disk when you are prepared to erase it and use the system's installer.
What you need
Detected in the repository
- Shell (main language on GitHub)
- Automated checks on GitHub Actions
Getting Started
Download the latest installer image from ZimaOS Releases, write it to a USB drive with Balena Etcher, and boot the target in UEFI mode. Installation erases the selected disk. See the README for the full installation instructions.
License in Plain Words
No standard license was detected. Without a license, the default copyright rules apply: you may read the code, but not reuse it. Check the repository or ask the authors.
Considerations
This is a public evaluation program, so assess its suitability for your reliability needs before putting important data on it. The project shows recent development activity, a steady release cadence, and issue closure activity, with contributions from several people. Its README directs discussion to the community forum. Secure Boot must be disabled for the installation instructions, and the target disk is erased during installation. The repository metadata provided does not identify a license, so confirm licensing terms before using or redistributing it.
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