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
Send Anywhere - Send whatever you want, wherever you want
Google Drive - Access and sync your files anywhere
ShareDrop - HTML5 clone of Apple's AirDrop - easy P2P file transfer powered by WebRTC
Mega - Secure File Storage and collaboration
NitroShare - Official status updates from https://t.co/Uiz47VKYD9. Email updates: https://t.co/zY8kOVT5CN