Synology DSM is the proprietary operating system on Synology NAS boxes, tied to the vendor's hardware. Open home-server and NAS operating systems let you pick your own hardware and run file sharing, apps and backups with an app store on top.
7 open-source alternatives to Synology DSM you can host yourself, ranked by GitHub stars and updated daily.
| # | App | Category | Stars | Language | Updated |
|---|---|---|---|---|---|
| 1 |
IceWhaleTech/CasaOS
|
Self-hosting Platforms & PaaS | 37,631 | Go | 2d |
| 2 |
getumbrel/umbrel
|
Self-hosting Platforms & PaaS Operating Systems & Hypervisors |
12,555 | TypeScript | 8d |
| 3 |
runtipi/runtipi
|
Self-hosting Platforms & PaaS | 9,737 | TypeScript | today |
| 4 |
openmediavault/openmediavault
|
Self-hosting Platforms & PaaS | 7,087 | PHP | 2d |
| 5 |
azukaar/Cosmos-Server
|
Self-hosting Platforms & PaaS Reverse Proxies & Tunnels |
6,201 | Go | 3d |
| 6 |
YunoHost/yunohost
|
Self-hosting Platforms & PaaS Operating Systems & Hypervisors |
2,991 | Python | 12d |
| 7 |
Start9Labs/start-technologies
|
Self-hosting Platforms & PaaS | 1,997 | Rust | today |