Nextcloud
Self-hosted file sync and collaboration suite.
free open source
Get it → Setup & migration guide → Free · pay what you wantOffline & One-Time File Sync Apps
Seafile
Self-hosted file sync with client-side encryption.
freemium open source
Get it →Syncthing
Continuous peer-to-peer file sync with no central server.
free offline open source
Get it → Setup & migration guide → Free · pay what you wantrclone
Command-line tool to sync files across many storage backends.
free offline open source
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