11 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.

• Bacula SystemsSelf-hosted / open source

  Swiss 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.

  Switzerland

• BareosSelf-hosted / open source

  German open-source enterprise backup solution forked from Bacula

  Germany

• BorgBackupSelf-hosted / open source

  Open-source deduplicating archival backup program with compression and encryption

  Germany

• CephSelf-hosted / open source

  Open-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.

  United States

• DuplicatiSelf-hosted / open source

  Open-source backup client storing encrypted backups on various cloud storage services

  United States

• LINBITSelf-hosted / open source

  Austrian company behind DRBD and LINSTOR for replicated block storage and high availability

  Austria

• NextcloudSelf-hosted / open source

  German open-source self-hosted file sync, share, and backup platform

  Germany

• ownCloudSelf-hosted / open source

  German open-source file hosting and collaboration platform for enterprise file management

  Germany · owner in United States

• ProxmoxSelf-hosted / open source

  Austrian open-source server virtualisation and backup platform for enterprise infrastructure

  Austria

• ResticSelf-hosted / open source

  Open-source fast and secure backup program supporting multiple storage backends

  Germany

• UrBackupSelf-hosted / open source

  Open-source client/server network backup system (AGPL) with deduplication and full partition imaging, commercially sponsored by Infscape UG (Germany).

  Germany