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OneDrive (formerly known as SkyDrive) delivers a satisfactory online file storage and sharing solution in a free and easy to use service. It has a design that is both attractive and functional.OneDrive lets you edit your Microsoft Office documents online, it offers a lite version of three of the major softwares of the suite Word, Excel, and PowerPoint, so if you don't have the suite installed on your PC or Mac you can simply edit them online. So you have full access to your documents on all your computers, wherever you are. »

CrashPlan lets you automatically back up your hard drive to another computer. The program offers secure cloud storage, in addition to local backups, and continuous, minute-by-minute backup. All backed-up files are encrypted.

Seafile is a file hosting software system. Files are stored on a central server and can by synchronized with personal computers and mobile devices via the Seafile client. Files can also be accessed via the server's web interface. Seafile's functionality is similar to other popular services such as Dropbox and Google Drive, with the primary difference being that Seafile is free and open-source, enabling users to host their own Seafile servers without artificially imposed limits on storage space or client connections. »

Files on Yandex.Disk won't get lost if your phone or computer breaks. You'll have enough storage space for your most precious photos and important documents.

SugarSync lets you synchronize, backup and remotely access files and folders across your PC or Mac. You can also remotely view files from Windows Mobile, Blackberry, iPhone, Symbian and Android.

Tresorit is a security solution for distributed storage systems, and with it a group of users can share secure content without trusting any administrator or third party provider. This system guarantees the users that they can: share content with a group; handle read and write permissions; manage dynamically changing groups; and no one outside the group can read or write files. These properties can be reached with implicitly granted security, based on a strong cryptographic technology.

Amazon Drive is your hard drive in the cloud. Store your music, videos, photos, and documents on Amazon's secure servers. All you need is a web browser to upload, download, and access your files from any computer. Store files in your Amazon Drive and never worry about losing them if your computer crashes, or is lost or stolen.