Free & Open-Source ChronoSync Alternatives

Mac file sync and backup.

1. rsync ↗ FOSSPRIVATE
   Classic Unix file sync — fast and incremental.
   ●●○Medium · Requires self-hosting
2. Syncthing ↗ FOSSPRIVATESELF-HOST
   P2P file sync between devices — no cloud needed.
   ●●○Medium · Peer-to-peer sync
3. FreeFileSync ↗
   ●●○Medium · Requires self-hosting