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.
Dropbox - Online Sync and File Sharing
FTPCafe FTP Client - File transfers using: - FTP - FTPS (Implicit and Explicit FTP over SSL).
Google Drive - Access and sync your files anywhere
WinSCP - WinSCP is an open source free SFTP client and FTP client for Windows.
Mega - Secure File Storage and collaboration
SmartFTP - . Backblaze B2, Google Drive, OneDrive, SSH, Terminal client. It allows you to transfer files between your local computer and a server on the Internet.