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Files & utilities

Syncthing

Free optionOpen sourceLocal

Keep folders in sync between your own computers, without a storage subscription.

What you can use it for

Keep folders in sync between your own computers, without a storage subscription.

  • Files stay on the devices you choose.
  • Device-ID pairing and encrypted connections.
  • Changes catch up when an offline device reconnects.
Workflow coverage and comparison notes

Keep working folders synchronized between computers you own using your own disks. No hosted storage is included. Does not increase Gmail, Google Photos or Google Drive account capacity, and does not replace TeraBox cloud media playback or public download links.

Before you switch

Requires installation and enough disk space on your devices. Devices must connect to exchange changes; a permanently available copy needs an always-on device. Hardware, electricity, maintenance and backups are your responsibility. Deletions propagate, so sync alone is not a backup. No hosted storage allowance, browser cloud drive, public file links or extra Gmail/Google Photos capacity. Checked with two isolated instances on one Mac; real second-device, internet, mobile, conflict recovery and load behaviour were not tested.

Alternatives to these paid apps

Each comparison covers the workflow described above, rather than every paid feature.