Apps like Ouisync Peer-to-Peer File Sync

Peer'Em P2P - Messenger

★3.3

Tresorit

★4.0

Sync - Secure cloud storage

★3.9

Autosync for Box - BoxSync

★4.6

Dropsync: Autosync for Dropbox

★4.7

ownCloud

★4.1

ShareSync

★3.9

Synced Tool

★3.8

SecuriSync

★4.2

OneSync: Autosync for OneDrive

★4.7

UNIVERGE BLUE™ SHARE

★5.0

DAEMON Sync: Offline backup

★4.1

S3Drive: Cloud storage

★4.1

IDrive Online Backup

★4.4

Syncplicity

★4.2

Skiff Drive - Secure files

★3.8