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.
WinSCP - WinSCP is an open source free SFTP client and FTP client for Windows.
Dropbox - Online Sync and File Sharing
FileZilla Secure - A modified version of Filezilla dedicated to keeping your FTP passwords secure.
Google Drive - Access and sync your files anywhere
BitKinex - Bitkinex is a multiprotocol FTP client, supporting FTP, SFTP, HTTP (WebDAV).
Mega - Secure File Storage and collaboration