Dropbox is an easy to use freemium cloud storage solution. It has a client sync utility for multiple platforms.

MEGA is the cloud-based file hosting solution.

Nomadesk is a leading provider of file sharing, storage and synchronization software.

ASUS WebStorage is a Cloud Storage Service that helps user backup data, sync file between devices and share data to friends.

fruux is a cross-platform synchronization service.

Microsoft OneDrive is a cloud-based storage solution from Microsoft.

wallabag is a self hostable application for saving web pages.

Storage Made Easy provides a hybrid Cloud File Server Enterprise File Share and Sync Solution.

mintstash helps you get secure access to your personal data.