Visual Studio Online Professional
As the entry-level professional product, Visual Studio Professional is the mainstay IDE of choice for many developers around the world. Visual Studio Online Professional combines the capabilities found in Visual Studio Online Basic with a convenient, monthly subscription to the latest version of Visual Studio Professional. Used together, you can collaborate with others to build five-star apps for multiple Microsoft platforms, including the desktop, Windows Store, Windows Phone, Office, the web, and the cloud.
Visual Studio Online is generally available as of April 3, 2014. Special intro pricing will remain in effect through May 6, 2014.