CasaOS is an open-source personal cloud system with a home-focused web UI for running Docker apps and managing files on your own hardware.
37.3K2.2KGoApache-2.0Updated 21 days ago
2 alternatives
Best open-source alternatives to Synology DSM (2026)
Looking for a free, open-source alternative to Synology DSM? These 2 projects can replace it. Each one passed our quality screening and is explained in plain words, so you can compare stars, license and maintenance at a glance.
Quick comparison
| Project | Stars | License | Last commit |
|---|---|---|---|
| IceWhaleTech/CasaOS | ★ 37.3K | Apache-2.0 | 21 days ago |
| tobychui/arozos | ★ 3K | GPL-3.0 | yesterday |
A web desktop operating system that runs in a browser on low-power hardware such as Raspberry Pi, providing file management and NAS-style storage.
3K0JavaScriptGPL-3.0Updated yesterday
FAQ
- Is there a free, open-source alternative to Synology DSM?
- Yes. The most popular open-source alternatives to Synology DSM on Repolode are CasaOS, arozos.
- Which Synology DSM alternative should I choose?
- CasaOS has the most GitHub stars and is released under Apache-2.0. Compare the license and last commit of each option in the table above before choosing.