Alternatives to Synology DiskStation Manager
Web-based NAS operating system that powers every Synology DiskStation device. The listings below can replace it for an important use case. Each note says what changes if you switch.
The original
Synology DiskStation Manager
Web-based NAS operating system that powers every Synology DiskStation device.
Replacements
Listings that take over the same core job as Synology DiskStation Manager.
QNAP QTS
Standard NAS operating system for QNAP storage appliances with an ext4 base.
QNAP QTS runs only on QNAP hardware, adds Container Station and virtualization, and uses an ext4 base with less snapshot depth.
QNAP QuTS hero
ZFS-based QNAP NAS operating system with snapshots and inline deduplication.
QNAP QuTS hero brings a ZFS base with inline deduplication and compression, but runs only on certified QNAP hardware and needs more RAM.
Asustor Data Master (ADM)
NAS operating system for Asustor devices with an app catalog and surveillance suite.
Asustor Data Master runs only on Asustor hardware with an App Central catalog and Btrfs snapshots, but has a smaller third-party app ecosystem.
OpenMediaVault
Debian-based network-attached storage operating system with a browser web interface.
OpenMediaVault is a free open-source Debian NAS system for your own hardware, with community plugins and less visual polish than DSM.
HexOS
Consumer-friendly home server operating system built on top of TrueNAS Scale.
HexOS is a paid system built on TrueNAS Scale for consumer-friendly setup on your own hardware, with a smaller support community.
XigmaNAS
FreeBSD-based NAS operating system, formerly known as NAS4Free.
XigmaNAS is free, open source and FreeBSD-based, running on generic hardware with broad CIFS, NFS and iSCSI support, but a slower feature pace.
Rockstor
Open-source Btrfs NAS platform built on openSUSE for custom storage builds.
Rockstor is an open-source Btrfs NAS platform on openSUSE for custom builds, with snapshots and replication but a smaller plugin ecosystem.
Houston UI
Open-source Cockpit-based management interface for self-built NAS servers.
Houston UI is an open-source Cockpit-based interface for self-built NAS servers, mainly developed around 45Drives hardware, with a smaller plugin ecosystem.
Similar software
Related functionality, not a direct replacement.
CasaOS
Personal cloud dashboard that installs Docker apps on a home server in one click.
YunoHost
Debian-based server distribution that installs and maintains self-hosted apps for you.
Runtipi
Home server manager with a curated app store for self-hosted services.
Cosmos Cloud
Self-hosted server platform bundling a reverse proxy, authentication and container management.
Webmin
A web-based control panel for administering Unix and Linux servers and the services running on them.
