# Open-source file sync and backup

11 open-source file sync and backup rated against public privacy criteria.

1. [bewCloud](https://privacyratings.com/file-sync/bewcloud/): B (80/100). Self-hosted personal cloud written in TypeScript and Deno, with files, notes, photos, contacts and calendar. A lighter alternative to Nextcloud and ownCloud.
2. [BorgBackup](https://privacyratings.com/file-sync/borgbackup/): B (80/100). Deduplicating command-line backup program with compression and authenticated encryption. Backs up to local disks or remote servers over SSH.
3. [Déjà Dup](https://privacyratings.com/file-sync/deja-dup/): B (80/100). Backup app for the GNOME desktop that schedules encrypted, incremental backups to local drives, network servers or cloud storage, using restic or duplicity.
4. [Pika Backup](https://privacyratings.com/file-sync/pika-backup/): B (80/100). Backup app for the GNOME desktop built on BorgBackup, with scheduled, deduplicated and encrypted backups to local drives or remote repositories.
5. [restic](https://privacyratings.com/file-sync/restic/): B (80/100). Command-line backup program with deduplication and end-to-end encryption. Backs up to local disks, SFTP, REST servers and cloud storage such as S3, Backblaze B2 and Azure.
6. [Syncthing](https://privacyratings.com/file-sync/syncthing/): B (80/100). Open source, peer-to-peer continuous file synchronization between two or more devices. Data is encrypted in transit and never stored on a central server.
7. [Vorta](https://privacyratings.com/file-sync/vorta/): B (80/100). Desktop front end for BorgBackup that schedules backups, browses archives and restores files. Works with local drives, SSH servers and hosted Borg repositories.
8. [Nextcloud](https://privacyratings.com/file-sync/nextcloud/): C (65/100). Self-hosted collaboration platform for file sync and sharing, with desktop and mobile clients plus apps for calendar, contacts, office documents and chat. Supports optional server-side and end-to-end encryption.
9. [Kopia](https://privacyratings.com/file-sync/kopia/): D (50/100). Backup tool with a command-line interface and a desktop app, offering deduplication, compression and end-to-end encryption. Stores snapshots on local disks, SFTP, WebDAV and cloud storage.
10. [ownCloud Infinite Scale](https://privacyratings.com/file-sync/owncloud-infinite-scale/): D (40/100). Self-hosted file sync and sharing platform from ownCloud, written in Go without a database. Offers web access, desktop and mobile sync clients, and spaces for team folders.
11. [rclone](https://privacyratings.com/file-sync/rclone/): D (40/100). Command-line program to sync, copy and mount files on more than 70 cloud storage services, with optional client-side encryption through its crypt backend.

Source: https://privacyratings.com/open-source/file-sync/