Seedvault: Encrypted Backup for Android

“While every smartphone user wants to be prepared with comprehensive data backups in case their phone is lost or stolen, not every Android user wants to entrust their sensitive data to Google’s cloud-based storage. By storing data outside Google’s reach, and by using client-side encryption to protect all backed-up data, Seedvault offers users maximum data privacy with minimal hassle.

Seedvault allows Android users to store their phone data without relying on Google’s proprietary cloud storage. Users can decide where their phone’s backup will be stored, with options ranging from a USB flash drive to a remote self-hosted cloud storage alternative such as NextCloud. Seedvault also offers an Auto-Restore feature: instead of permanently losing all data for an app when it is uninstalled, Seedvault’s Auto-Restore will restore all backed-up data for the app upon reinstallation.

Seedvault

Tarsnap – Online Backups for the Truly Paranoid

“Tarsnap is a secure, efficient online backup service:

  • Encryption: your data can only be accessed with your personal keys.

We can’t access your data even if we wanted to!

  • Source code: the client code is available.

You don’t need to trust us; you can check the encryption yourself!

  • Deduplication: only the unique data between your current files and encrypted archives is uploaded.

This reduces the bandwidth and storage required, saving you money!

Tarsnap runs on UNIX-like operating systems (BSD, Linux, MacOS X, Cygwin, etc).”

https://www.tarsnap.com/