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
Muglaunch.com - Design and sell print on demand products easily @ Muglaunch
Google Drive - Access and sync your files anywhere
Mockupify - Automate your print-on-demand product creation process
Mega - Secure File Storage and collaboration
Revscale - Sales Automation - A holistic sales & mkt automation and B2B lead generation software