As cloud storage gain acceptance, there are more options available. Among the popular storage are Dropbox, gDrive and ownCloud as listed here.
|Storage (FREE)||2GB. Offers available up to 16GB||15GB. Include Google accounts like Gmail.||Unlimited, provide your own|
|Availability||Integration with MS O365, OneLogin, 1Password, MS Azure, Xero. |
|Pretty much everything works with Google and Google Realtime API. |
Not available offline
|Features (General)|| || ||Web based. 3rd party apps are available for wide variety of devices.|
Its a matter of balancing your resources, needs and funding when deciding which services to take up.
Dropbox provide one of the most fancy looking and good security.
Google gDrive comes with a host of applications like Google Sheets, Docs, Presentation to open your documents on a PC and mobile devices. Truly any time, any where documents are available.
OwnCloud allows any individual and corporation to customise, design a security of their choosing and include branding with use of their own storage. With more controls, security exploits such as man-in-the-cloud attack can be avoided. Did I mention, you install the whole thing for FREE on your own (your ownCloud....get it)?