Rockstor

Rockstor is a free and open source NAS (Network Attached Storage) operating system.

20 Alternatives To Rockstor

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Amahi Home Server

Amahi is a media, home and app server software known for its easy-to-use user interface. Amahi has the best media, backup and web apps for small networks.
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ClearOS

A very good alternative for Windows Server, for free

Drive Bender

Drive Bender, class leading storage pooling technology

FlexRaid T-Raid

Unify & organize your data. Protect & recover from disk failures!

FreeNAS

FreeNAS is a storage operating system strong and robust enough to meet the needs of enterprise level businesses.

Laragon

All in one web server.

NAS4Free

NAS4Free is the easiest and quickest way to install an Open Source free NAS server. From home NAS to enterprise network storage, NAS4Free is trusted by thousands of installations every day.

NethServer

NethServer is an operating system for Linux enthusiasts, designed for small offices and medium…

OpenMediaVault

OpenMediaVault is the next generation network attached storage (NAS) solution based on Debian Linux.

PetaSAN

PetaSAN is an open source Scale-Out SAN solution offering massive scalability and performance.

ReadyNAS

ReadyNAS by NETGEAR.

SnapRAID

A backup program for disk arrays. It stores parity information of your data and it recovers from up to six disk failures.
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StableBit DrivePool

State of the art, file based drive pooling software.
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TrueNAS

TrueNAS is the provider of open source and flexible CIFS, NFS for file storage, SMB, and iSCSI for block storage.

Unraid

Simplicity. Flexibility. Scalability. Modularity. Unraid empowers you to build the system you’ve always wanted using your preferred hardware, software, and operating systems.
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Windows Home Server

Windows Home Server, code-named Quattro, is a home server operating system from Microsoft.

Zentyal

Linux directory, domain, mail, gateway and infrastructure server for SMBs.
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beame-insta-ssl

Securely expose your own computer or server to the web — it’s free!

mhddfs

The driver combines a several mount points into the single one.

unRAID Server

A scalable, consumer-oriented, server operating system.