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.
Syncthing - Syncthing replaces proprietary sync and cloud services with something open, trustworthy and...
Dropbox - Online Sync and File Sharing
Onionshare - OnionShare lets you securely and anonymously share a file of any size with someone.
Google Drive - Access and sync your files anywhere
Magic Wormhole - This package provides a library and a command-line tool named wormhole, which makes it possible to...
Mega - Secure File Storage and collaboration