rsync, FreeFileSync, SyncBack, Syncthing, GoodSync, Cryptomator, Rclone, XCOPY, Déjà Dup, Dropsync, grsync, Unison File Synchronizer, XXCopy, Restic, DeltaCopy, Bvckup 2, MirrorFolder, arRsync, AutoVer, Directory Compare, Parachute, SyncFolders, Personal Backup, FlyBack, cwrsync, Syncrify, Acrosync, Rsync Wrapper, BestSync, rsync backup for Android, Zaloha.sh, GFI Backup, SSuite File Backup Master, OneWaySynchronize, SyncTime, Lazy Mirror, Get Backup, Dmailer Sync, FileFort Backup Software, SSuite Kronoz Sync-Master, GSCopyPro, Backuplist, Crypt Sync Files, Immortal Files, Folder Snapshot Utility, snapper-io, 7zbackup, Ferro Backup System, Z-DBackup, Horodruin, Retriev.er, IdleBackup are some alternatives to RsyncOSX.