Best Software-Defined Storage Software in 2026
Updated
In short: MinIO AIStor is ranked #1 of 29 as of 4 October 2026, ahead of SeaweedFS and JuiceFS. The best-ranked option with a free plan is SeaweedFS. The lowest first paid tier on this page is SeaweedFS at $1.67/mo.
Choosing software-defined storage means weighing how data is accessed, protected, and deployed in your environment. Compared on deployment model, storage protocols, S3-compatible access, and Kubernetes support, these tools give you several ways to assess technical fit. Replication, erasure coding, and maximum nodes add resilience and scale considerations; free-plan availability and paid-from pricing help you compare cost. MinIO AIStor, SeaweedFS, and JuiceFS are among the named options, alongside StarWind Virtual SAN and Ceph. Check which protocols and protection approaches suit the systems you need to support, then consider deployment and pricing together.
29 software-defined storage software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
29ranked
10free plans on this page
$1.67/molowest paid tier
4 Oct 2026last checked
Input list Software-Defined Storage Software 25 channels on this page · 74 of 200 spec lines stated by the makers
Ch Tool Free planPaid fromDeployment modelStorage protocolsMaximum nodesReplicationErasure codingKubernetes support Spec sheet Score
01 MinIO AIStor Free planYesPaid fromnot statedDeployment modelnot statedStorage protocolsnot statedMaximum nodesnot statedReplicationnot statedErasure codingnot statedKubernetes supportnot stated 1/8spec lines stated 7.8
02 SeaweedFS Free planYesPaid from$2/moDeployment modelnot statedStorage protocolsnot statedMaximum nodesnot statedReplicationnot statedErasure codingnot statedKubernetes supportnot stated 2/8spec lines stated 7.8
03 JuiceFS Free planYesPaid from$0.02/moDeployment modelhybridStorage protocolsPOSIX, HDFS, S3, WebDAVMaximum nodesnot statedReplicationYesErasure codingNoKubernetes supportYes 7/8spec lines stated 7.6
04 StarWind Virtual SAN Free planYesPaid fromnot statedDeployment modelnot statedStorage protocolsiSCSI, SMB3, NFSv4.1, NVMe-oF, iSERMaximum nodesnot statedReplicationnot statedErasure codingnot statedKubernetes supportnot stated 2/8spec lines stated 7.6
05 MooseFS Free planYesPaid fromnot statedDeployment modelon-premisesStorage protocolsPOSIX filesystem; block device; C APIMaximum nodesnot statedReplicationYesErasure codingYesKubernetes supportYes 6/8spec lines stated 7.5
06 LizardFS Free plannot statedPaid fromnot statedDeployment modelon-premisesStorage protocolsNFS 3.x, NFS 4.0, pNFSMaximum nodesnot statedReplicationYesErasure codingYesKubernetes supportnot stated 4/8spec lines stated 7.2
07 VMware Workstation Pro Free plannot statedPaid fromnot statedDeployment modelhybridStorage protocolsBlock; NFSv3; NFSv4.1; SMB; S3-compatible object storageMaximum nodes64ReplicationYesErasure codingYesKubernetes supportYes 6/8spec lines stated 7.1
08 Ceph Free planYesPaid fromnot statedDeployment modelnot statedStorage protocolsnot statedMaximum nodesnot statedReplicationnot statedErasure codingnot statedKubernetes supportnot stated 1/8spec lines stated 7.0
09 OpenEBS Free planYesPaid fromnot statedDeployment modelnot statedStorage protocolsnot statedMaximum nodesnot statedReplicationnot statedErasure codingnot statedKubernetes supportnot stated 1/8spec lines stated 7.0
10 DataCore SANsymphony Free planNoPaid fromnot statedDeployment modelnot statedStorage protocolsnot statedMaximum nodesnot statedReplicationnot statedErasure codingnot statedKubernetes supportnot stated 1/8spec lines stated 6.9
11 Qumulo Cloud Data Platform Free planNoPaid fromnot statedDeployment modelhybridStorage protocolsNFS, SMB, S3, REST, FTP, FTPSMaximum nodesnot statedReplicationYesErasure codingYesKubernetes supportYes 6/8spec lines stated 6.9
12 Gluster Free planYesPaid fromnot statedDeployment modelhybridStorage protocolsNative GlusterFS, NFS, SMB/CIFS, iSCSI, Swift REST APIMaximum nodesnot statedReplicationYesErasure codingYesKubernetes supportnot stated 5/8spec lines stated 6.8
13 Portworx Enterprise Free planNoPaid fromnot statedDeployment modelnot statedStorage protocolsnot statedMaximum nodesnot statedReplicationnot statedErasure codingnot statedKubernetes supportnot stated 1/8spec lines stated 6.8
14 Longhorn Free planYesPaid fromnot statedDeployment modelnot statedStorage protocolsnot statedMaximum nodesnot statedReplicationnot statedErasure codingnot statedKubernetes supportnot stated 1/8spec lines stated 6.7
15 DAOS Free plannot statedPaid fromnot statedDeployment modelhybridStorage protocolskey-value, POSIX, HDF5, MPI-IO, S3 APIMaximum nodesnot statedReplicationYesErasure codingYesKubernetes supportYes 5/8spec lines stated 6.5
16 WEKA Data Platform Free plannot statedPaid fromnot statedDeployment modelnot statedStorage protocolsnot statedMaximum nodesnot statedReplicationnot statedErasure codingnot statedKubernetes supportnot stated 0/8spec lines stated 6.5
17 LINSTOR Free planYesPaid fromnot statedDeployment modelnot statedStorage protocolsnot statedMaximum nodesnot statedReplicationnot statedErasure codingnot statedKubernetes supportnot stated 1/8spec lines stated 6.4
18 StorPool Disaster Recovery Engine Free planNoPaid fromnot statedDeployment modelon-premisesStorage protocolsnot statedMaximum nodesnot statedReplicationnot statedErasure codingnot statedKubernetes supportnot stated 2/8spec lines stated 6.4
19 VAST Data Platform Free plannot statedPaid fromnot statedDeployment modelnot statedStorage protocolsnot statedMaximum nodesnot statedReplicationnot statedErasure codingnot statedKubernetes supportnot stated 0/8spec lines stated 6.4
20 Huawei HiSecEngine USG6800G Free plannot statedPaid fromnot statedDeployment modelnot statedStorage protocolsnot statedMaximum nodesnot statedReplicationnot statedErasure codingnot statedKubernetes supportnot stated 0/8spec lines stated 6.1
21 SUSE Multi-Linux Manager Free plannot statedPaid fromnot statedDeployment modelnot statedStorage protocolsObject Gateway, RADOS Block Device, CephFS, libradosMaximum nodesnot statedReplicationnot statedErasure codingnot statedKubernetes supportnot stated 1/8spec lines stated 6.0
22 StorMagic SvHCI Free planNoPaid fromnot statedDeployment modelon-premisesStorage protocolsiSCSIMaximum nodes1ReplicationYesErasure codingnot statedKubernetes supportnot stated 5/8spec lines stated 5.9
23 Lightbits SDS Free planNoPaid fromnot statedDeployment modelhybridStorage protocolsNVMe/TCP block storageMaximum nodesnot statedReplicationYesErasure codingYesKubernetes supportYes 6/8spec lines stated 5.8
24 Scality RING Free plannot statedPaid fromnot statedDeployment modelhybridStorage protocolsS3-compatible API, NFS, SMBMaximum nodesnot statedReplicationYesErasure codingYesKubernetes supportnot stated 4/8spec lines stated 5.8
25 VMware vSAN Free plannot statedPaid fromnot statedDeployment modelhybridStorage protocolsBlock; NFSv3; NFSv4.1; SMB; S3-compatible object storageMaximum nodes64ReplicationYesErasure codingYesKubernetes supportYes 6/8spec lines stated 5.8
Is your tool on this list?
Numbered spots on this list can be sponsored. They are labelled, and the editorial order and scores never change for payment.
Questions about this list
Which software-defined storage software is ranked first on Specifiction?
MinIO AIStor is ranked #1 of 29 with a score of 7.8. SeaweedFS is second and JuiceFS third.
How many of these have a free plan?
10 of the 25 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, SeaweedFS has the lowest first paid tier we found: $1.67/mo.
How is this list ranked?
Ranked on what each maker publishes, the fullest spec sheet first: how deeply the product is documented, the platforms it runs on, a free tier or trial to test it, and its standing. Paid placements never change a rank.
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