SugarSync is a major up-and-comer in the cloud storage arena, and its offer of 5 GB of free cloud storage, with no credit card required, is driving its success. SugarSync calls itself a provider of "personal cloud services," which let users access their data anytime, anywhere and from any devices. Mobile users can backup, sync, access and share all files on the go from nearly any type of device. Meanwhile, SugarSync users can sync files in any folder and access and share those files via the cloud. File sharing and collaboration tools let users share any folder or file with a URL on social networks, in e-mail, via instant message or more.