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
WebDrive - WebDrive File Access Client allows you to open and edit server-based files without the additional step of downloading the file.
Google Drive - Access and sync your files anywhere
Air Explorer - Air Explorer is a software to manage all your multiple cloud drives (like Dropbox, Onedrive, Google Drive, Mega, Mediafire, Box, Hidrive, Yandex, Baidu,...) as well as WebDav and FTP connections.
Mega - Secure File Storage and collaboration
ifttt - IFTTT puts the internet to work for you. Create simple connections between the products you use every day.