For hosting common files it's ok. Also it is on Android too do, great to transfer files between your Windows and your phone. But if you want better security you have to subscribe a monthly offer.
GoodSync - GoodSync provides highly reliable file backup and synchronization for both individuals and businesses.
Dropbox - Online Sync and File Sharing
Syncthing - Syncthing replaces proprietary sync and cloud services with something open, trustworthy and...
Google Drive - Access and sync your files anywhere
arRsync - arRsync is a tool that is designed for macOS that is used for transferring and synchronizing files between a computer and a storage drive.
Mega - Secure File Storage and collaboration