StoneFly Migrate
StoneFly Migrate: A capable free option for scheduled NAS transfers and real-time replication. Ranked #13 of 24 in Storage Migration Software by our editors (7.9/10); pricing: Free plan; best for free NAS replication and transfers.
At a glance
- Editor score7.9 / 10
- PricingFree plan
- Best forFree NAS replication and transfers
- Free planYes
- Paid fromFree
- Migration modeBoth
- Founded1996 · Castro Valley, Hayward, California, United States
- Facts checked20 Sep 2026
Where it wins
- No data transfer limit on the Free plan
- Scheduled jobs and real-time replication
- Integrity checks, traffic shaping, and monitoring
Where it doesn't
- Focused on file and unstructured NAS workloads
- Technical support costs extra
- Metadata and access preservation need migration validation
Our verdict on StoneFly Migrate
StoneFly Migrate is free software for moving unstructured NAS data over LAN or WAN. It is designed for teams transferring NFS and CIFS/SMB volumes between physical or virtual NAS systems, with support for VMware, Hyper-V, KVM, Citrix, and XenServer environments. The product combines scheduled migration jobs with real-time replication and synchronization, making it suitable for planned transfers as well as ongoing source-to-destination updates. Its centralized console also covers workflow management, resource monitoring, and reporting.
The Free plan includes no data transfer limit, scheduled migration jobs, and real-time replication. Its feature set extends beyond basic copying: parallel data transfers can increase throughput, traffic shaping helps control network use, and dynamic resource allocation manages available resources during migration. Hash-based data integrity checks provide a way to verify transferred data, while real-time monitoring and reporting give operators visibility into migration activity. StoneFly documents deployment as a virtual machine, which fits environments already running supported virtualization platforms.
StoneFly Migrate is a strong fit for organizations that need a no-cost tool for file-based NAS transfers, replication, and managed cutovers. It is particularly relevant when NFS or CIFS/SMB support, scheduled workflows, and transfer controls matter more than a broader data-migration scope. The product is less compelling for migrations where preserving metadata and access permissions is a central requirement, because those areas are not established in its positioning. Teams should also account for technical support and professional services as separate purchases. Choose it for free NAS replication with operational controls; consider an alternative when enterprise migration assurance depends on verified metadata, access preservation, or a wider workload focus.
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StoneFly Migrate pricing
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StoneFly Migrate fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Workload scope | File |
| Migration mode | Both |
| Metadata preservation | Not verified |
| Access preservation | Not verified |
| Supported platforms | NFS, CIFS/SMB, physical NAS, virtual NAS, VMware, Hyper-V, KVM, Citrix/XenServer |
| Cutover orchestration | Yes |
| Migration reporting | Yes |
| Deployment | Self-hosted |
| Platforms | Web |
| Support | Email, Phone, Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Pricing | Free plan (source) |
| Website | stonefly.com |
| Facts checked | 20 Sep 2026 |
Alternatives to StoneFly Migrate
- NetApp Data MigratorA free, migration-focused option for enterprise NAS moves into NetApp cloud storage.9.4
- Komprise Elastic Data MigrationA broad enterprise platform for complex file and object migrations across hybrid storage.9.2
- Azure Storage MoverA free, Azure-focused service for scheduled file and object-storage migrations.9.0
See all StoneFly Migrate alternatives →
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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