There are tons of cloud storage services out there. Most of them have overlapping features and each of them have their own unique selling points that it is almost impossible to pin point which one is the best and which is the worst. The good thing is that you are not bound to using only one service. In fact, you can use multiple cloud storage services, or even multiple accounts of the same cloud service at the same time. Nevertheless, I am sure there is one service that you prefer over others.

Dropbox is the easiest way to store, sync and share files online. File Sync. 2GB of online storage for free, with up to 100GB available to paying customers.

Google Drive is a file storage and synchronization service provided by Google, released on April 24, 2012, which enables user cloud storage, file sharing and collaborative editing with up to 15GB of storage. Free.

SkyDrive (officially Microsoft SkyDrive, previously Windows Live SkyDrive and Windows Live Folders) is a file hosting service that allows users to upload and sync files to a cloud storage and then access them from a Web browser or their local device. It is part of the Windows Live range of online services and allows users to keep the files private, share them with contacts, or make the files public. Publicly shared files do not require a Microsoft account to access.The service offers 7 GB of free storage for new users and, for one year, an additional 3 GB of free storage to students

Store contacts, calendars, photos, music, books, apps and more in the cloud and access them on all your devices.

Box Inc. (formerly Box.net) is an online file sharing and Cloud content management service for enterprise companies. The company has adopted a freemium business model, and provides 5 GB of free storage for personal accounts. A mobile version of the service is available for Android, BlackBerry, iOS, WebOS, and Windows Phone devices. The company is based in Los Altos, California.provides 5 GB of free storage for personal accounts.

SugarSync is a cloud service that enables active synchronization of files across computers and other devices for file backup, access, syncing and sharing from a variety of operating systems, such as Windows, Mac OS X, iOS, Android, Windows Mobile, Samsung SmartTV, BlackBerry OS, and Symbian devices. There is no Linux version available.

Ubuntu One

Ubuntu One is a cloud service and Open ID-based single sign on service operated by Canonical Ltd to allow users to store data within the cloud and to log onto many Canonical-owned websites.

The service enables users to store files online and sync them between computers and mobile devices, as well as stream audio and music from cloud to mobile devices.gives you 5GB of free storage

SpiderOak is a zero-knowledge encrypted data backup, share, sync, access and storage service. Online and multi-platform with 2GB of storage free for life.