Acronis Cyber Protect
subscription
Integrated backup and cybersecurity platform with anti-malware, vulnerability assessments, and disaster recovery.
Open source online backup software to evaluate in 2026
Open source online backup software gives teams full code access, no per-user licensing, and the freedom to self-host, but operational cost replaces license cost. These are the open source options in this category, followed by the full list for comparison.
No product in this category matches the open source filter yet, so all 8 are listed below.
Back to all Online Backup Software tools, or browse the full software directory. You can also run head-to-head comparisons or read about our review methodology.
For background on scoring, see how rankings work. Our editorial articles add deeper analysis, the glossary clarifies vendor terminology, and our calculators help estimate ROI before the shortlist narrows further.
All online backup software
Nothing in this category met the open source filter, so the full online backup software category is listed here instead.
Backblaze
subscription
Unlimited cloud backup for PCs and Macs with continuous backup, versioning, and easy restore.
Carbonite
subscription
Cloud backup and recovery for small businesses with automatic backup and anytime-anywhere file access.
Comet Backup
subscription
White-label backup platform for MSPs with flexible storage destinations, encryption, and fast incremental backups.
Druva
subscription
SaaS data protection platform for endpoints, SaaS apps, and cloud workloads with centralized management.
IDrive
subscription
Cloud backup and storage service for PCs, Macs, mobile devices, and servers with file versioning.
MSP360 Backup
subscription
Cross-platform backup solution for MSPs supporting AWS, Azure, GCP, Backblaze B2, and Wasabi storage.
Veeam
subscription
Data protection and backup platform for virtual, physical, and cloud environments with instant VM recovery.
Common questions about open source online backup software
Is open source online backup software really free?
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The license is free, but hosting, maintenance, patching, and upgrades replace the vendor's license fee. Teams without dedicated ops resources often spend more on self-managed open source than on a managed commercial alternative.
When should I choose open source over commercial online backup software?
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Open source is strongest when you need full code control, on-premises deployment for compliance, or want to avoid vendor lock-in. It is weaker when your team lacks the ops capacity to maintain, patch, and scale the deployment.
What should I check before deploying open source online backup software?
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Check community activity (commits, issues, and releases in the last six months), commercial support options, documentation quality, and the total operational burden against a managed alternative. A dormant project with no commercial backing is a risk.