12 open-source Storage & Backup vendors
Open-source software for Storage & Backup that you can self-host, with auditable source code — regardless of the developer's headquarters.
- vendors scored
- 12
- European
- 10
- foreign-owned
- 1
- last checked
- 11 October 2026
Vendors, scored
Score per vendor: 0 = high exposure, 100 = sovereign
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- Sovereignty score 94 out of 100Bacula SystemsSwitzerland · Self-hosted / open sourceSwiss enterprise backup company (Yverdon-les-Bains) providing commercial support and an enterprise edition built on the open-source Bacula backup engine (AGPLv3 core); self-hosted, cross-platform (mixed OS, containers, cloud) backup used by organizations including NASA and Swisscom; confirmed actively trading in 2026 via current marketing content and recent blog posts.
- Sovereignty score 94 out of 100BareosGermany · Self-hosted / open sourceGerman open-source enterprise backup solution forked from Bacula
- Sovereignty score 94 out of 100BorgBackupGermany · Self-hosted / open sourceOpen-source deduplicating archival backup program with compression and encryption
- Sovereignty score 94 out of 100LINBITAustria · Self-hosted / open sourceAustrian company behind DRBD and LINSTOR for replicated block storage and high availability
- Sovereignty score 94 out of 100MooseFSPoland · Self-hosted / open sourceDistributed file system from Saglabs SA (Warsaw, Poland); the Community Edition is GPL-2.0, PRO editions are commercial.
- Sovereignty score 94 out of 100NextcloudGermany · Self-hosted / open sourceGerman open-source self-hosted file sync, share, and backup platform
- Sovereignty score 94 out of 100ownCloudGermany · Self-hosted / open source · owner in United StatesGerman open-source file hosting and collaboration platform for enterprise file management
- Sovereignty score 94 out of 100ProxmoxAustria · Self-hosted / open sourceAustrian open-source server virtualisation and backup platform for enterprise infrastructure
- Sovereignty score 94 out of 100ResticGermany · Self-hosted / open sourceOpen-source fast and secure backup program supporting multiple storage backends
- Sovereignty score 94 out of 100UrBackupGermany · Self-hosted / open sourceOpen-source client/server network backup system (AGPL) with deduplication and full partition imaging, commercially sponsored by Infscape UG (Germany).
- Sovereignty score 71 out of 100CephUnited States · Self-hosted / open sourceOpen-source distributed storage system (object, block, and file); US-origin project under the Linux Foundation's Ceph Foundation. IBM is the lead commercial steward since January 2023 (formerly Red Hat). Licensed under LGPL.
- Sovereignty score 71 out of 100DuplicatiUnited States · Self-hosted / open sourceOpen-source backup client storing encrypted backups on various cloud storage services
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