Startup firm semYOU has announced “app computing for desktop computers” that requires no local installation a hard drive is required, as all programs are accessed via the Internet. At http://www.semyou.com, the cloud app store for Mac and Windows offers free applications for all application areas, including office, communication and entertainment tools.

To use you’ll need to download the Microsoft Silverlight plug-in. Then sing up and log in at semYOU. Then you’ll start the riAPP store.