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.
PuTTY - Popular free terminal application. Mostly used as an SSH client.
Dropbox - Online Sync and File Sharing
SecPanel - SecPanel is an Ssh GUI for Unix.
Google Drive - Access and sync your files anywhere
Lterm - Lterm is a terminal emulator for GNU/Linux systems.
Mega - Secure File Storage and collaboration