Syncplicity
Syncplicity, Inc.
Syncthing
Syncthing Community
Nextcloud
Resilio Sync
Resilio Inc.
pCloud: Cloud Storage
pCloud LTD
VeSync
Vesync
ownCloud
ownCloud GmbH
Autosync - File Sync & Backup
MetaCtrl
CloudEdge
Hangzhou Meari Technology Co., Ltd.